21987198240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1217}}^1$

素因数の和:1544

約数の個数: 384

約数和(自身を含む): 83683031040

約数和(自身を除く): 61695832800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 283, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 566, 570, 608, 665, 672, 760, 798, 840, 849, 912, 1064, 1120, 1132, 1140, 1217, 1330, 1415, 1520, 1596, 1680, 1698, 1824, 1981, 1995, 2128, 2264, 2280, 2434, 2660, 2830, 3040, 3192, 3360, 3396, 3651, 3962, 3990, 4245, 4256, 4528, 4560, 4868, 5320, 5377, 5660, 5943, 6085, 6384, 6792, 7302, 7924, 7980, 8490, 8519, 9056, 9120, 9736, 9905, 10640, 10754, 11320, 11886, 12170, 12768, 13584, 14604, 15848, 15960, 16131, 16980, 17038, 18255, 19472, 19810, 21280, 21508, 22640, 23123, 23772, 24340, 25557, 26885, 27168, 29208, 29715, 31696, 31920, 32262, 33960, 34076, 36510, 37639, 38944, 39620, 42595, 43016, 45280, 46246, 47544, 48680, 51114, 53770, 58416, 59430, 63392, 63840, 64524, 67920, 68152, 69369, 73020, 75278, 79240, 80655, 85190, 86032, 92492, 95088, 97360, 102228, 107540, 112917, 115615, 116832, 118860, 127785, 129048, 135840, 136304, 138738, 146040, 150556, 158480, 161310, 161861, 170380, 172064, 184984, 188195, 190176, 194720, 204456, 215080, 225834, 231230, 237720, 255570, 258096, 272608, 277476, 292080, 301112, 316960, 322620, 323722, 340760, 344411, 346845, 369968, 376390, 408912, 430160, 451668, 462460, 475440, 485583, 511140, 516192, 554952, 564585, 584160, 602224, 645240, 647444, 681520, 688822, 693690, 739936, 752780, 809305, 817824, 860320, 903336, 924920, 950880, 971166, 1022280, 1033233, 1109904, 1129170, 1204448, 1290480, 1294888, 1363040, 1377644, 1387380, 1505560, 1618610, 1722055, 1806672, 1849840, 1942332, 2044560, 2066466, 2219808, 2258340, 2410877, 2427915, 2580960, 2589776, 2755288, 2774760, 3011120, 3237220, 3444110, 3613344, 3699680, 3884664, 4089120, 4132932, 4516680, 4821754, 4855830, 5166165, 5179552, 5510576, 5549520, 6022240, 6474440, 6543809, 6888220, 7232631, 7769328, 8265864, 9033360, 9643508, 9711660, 10332330, 11021152, 11099040, 12054385, 12948880, 13087618, 13776440, 14465262, 15538656, 16531728, 18066720, 19287016, 19423320, 19631427, 20664660, 24108770, 25897760, 26175236, 27552880, 28930524, 32719045, 33063456, 36163155, 38574032, 38846640, 39262854, 41329320, 45806663, 48217540, 52350472, 55105760, 57861048, 65438090, 72326310, 77148064, 77693280, 78525708, 82658640, 91613326, 96435080, 98157135, 104700944, 115722096, 130876180, 137419989, 144652620, 157051416, 165317280, 183226652, 192870160, 196314270, 209401888, 229033315, 231444192, 261752360, 274839978, 289305240, 314102832, 366453304, 385740320, 392628540, 458066630, 523504720, 549679956, 578610480, 628205664, 687099945, 732906608, 785257080, 916133260, 1047009440, 1099359912, 1157220960, 1374199890, 1465813216, 1570514160, 1832266520, 2198719824, 2748399780, 3141028320, 3664533040, 4397439648, 5496799560, 7329066080, 10993599120, 21987198240]

約数ペア:

[(1, 21987198240), (2, 10993599120), (3, 7329066080), (4, 5496799560), (5, 4397439648), (6, 3664533040), (7, 3141028320), (8, 2748399780), (10, 2198719824), (12, 1832266520), (14, 1570514160), (15, 1465813216), (16, 1374199890), (19, 1157220960), (20, 1099359912), (21, 1047009440), (24, 916133260), (28, 785257080), (30, 732906608), (32, 687099945), (35, 628205664), (38, 578610480), (40, 549679956), (42, 523504720), (48, 458066630), (56, 392628540), (57, 385740320), (60, 366453304), (70, 314102832), (76, 289305240), (80, 274839978), (84, 261752360), (95, 231444192), (96, 229033315), (105, 209401888), (112, 196314270), (114, 192870160), (120, 183226652), (133, 165317280), (140, 157051416), (152, 144652620), (160, 137419989), (168, 130876180), (190, 115722096), (210, 104700944), (224, 98157135), (228, 96435080), (240, 91613326), (266, 82658640), (280, 78525708), (283, 77693280), (285, 77148064), (304, 72326310), (336, 65438090), (380, 57861048), (399, 55105760), (420, 52350472), (456, 48217540), (480, 45806663), (532, 41329320), (560, 39262854), (566, 38846640), (570, 38574032), (608, 36163155), (665, 33063456), (672, 32719045), (760, 28930524), (798, 27552880), (840, 26175236), (849, 25897760), (912, 24108770), (1064, 20664660), (1120, 19631427), (1132, 19423320), (1140, 19287016), (1217, 18066720), (1330, 16531728), (1415, 15538656), (1520, 14465262), (1596, 13776440), (1680, 13087618), (1698, 12948880), (1824, 12054385), (1981, 11099040), (1995, 11021152), (2128, 10332330), (2264, 9711660), (2280, 9643508), (2434, 9033360), (2660, 8265864), (2830, 7769328), (3040, 7232631), (3192, 6888220), (3360, 6543809), (3396, 6474440), (3651, 6022240), (3962, 5549520), (3990, 5510576), (4245, 5179552), (4256, 5166165), (4528, 4855830), (4560, 4821754), (4868, 4516680), (5320, 4132932), (5377, 4089120), (5660, 3884664), (5943, 3699680), (6085, 3613344), (6384, 3444110), (6792, 3237220), (7302, 3011120), (7924, 2774760), (7980, 2755288), (8490, 2589776), (8519, 2580960), (9056, 2427915), (9120, 2410877), (9736, 2258340), (9905, 2219808), (10640, 2066466), (10754, 2044560), (11320, 1942332), (11886, 1849840), (12170, 1806672), (12768, 1722055), (13584, 1618610), (14604, 1505560), (15848, 1387380), (15960, 1377644), (16131, 1363040), (16980, 1294888), (17038, 1290480), (18255, 1204448), (19472, 1129170), (19810, 1109904), (21280, 1033233), (21508, 1022280), (22640, 971166), (23123, 950880), (23772, 924920), (24340, 903336), (25557, 860320), (26885, 817824), (27168, 809305), (29208, 752780), (29715, 739936), (31696, 693690), (31920, 688822), (32262, 681520), (33960, 647444), (34076, 645240), (36510, 602224), (37639, 584160), (38944, 564585), (39620, 554952), (42595, 516192), (43016, 511140), (45280, 485583), (46246, 475440), (47544, 462460), (48680, 451668), (51114, 430160), (53770, 408912), (58416, 376390), (59430, 369968), (63392, 346845), (63840, 344411), (64524, 340760), (67920, 323722), (68152, 322620), (69369, 316960), (73020, 301112), (75278, 292080), (79240, 277476), (80655, 272608), (85190, 258096), (86032, 255570), (92492, 237720), (95088, 231230), (97360, 225834), (102228, 215080), (107540, 204456), (112917, 194720), (115615, 190176), (116832, 188195), (118860, 184984), (127785, 172064), (129048, 170380), (135840, 161861), (136304, 161310), (138738, 158480), (146040, 150556)]