1221123540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 384

約数和(自身を含む): 4515840000

約数和(自身を除く): 3294716460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 79, 84, 91, 95, 105, 114, 130, 133, 140, 149, 156, 158, 182, 190, 195, 210, 228, 237, 247, 260, 266, 273, 285, 298, 316, 364, 380, 390, 395, 399, 420, 447, 455, 474, 494, 532, 546, 553, 570, 596, 665, 741, 745, 780, 790, 798, 894, 910, 948, 988, 1027, 1043, 1092, 1106, 1140, 1185, 1235, 1330, 1365, 1482, 1490, 1501, 1580, 1596, 1659, 1729, 1788, 1820, 1937, 1995, 2054, 2086, 2212, 2235, 2370, 2470, 2660, 2730, 2765, 2831, 2964, 2980, 3002, 3081, 3129, 3318, 3458, 3705, 3874, 3990, 4108, 4172, 4470, 4503, 4740, 4940, 5135, 5187, 5215, 5460, 5530, 5662, 5811, 6004, 6162, 6258, 6636, 6916, 7189, 7410, 7505, 7748, 7980, 8295, 8493, 8645, 8940, 9006, 9685, 10270, 10374, 10430, 10507, 11060, 11324, 11622, 11771, 12324, 12516, 13559, 14155, 14378, 14820, 15010, 15405, 15645, 16590, 16986, 17290, 18012, 19370, 19513, 19817, 20540, 20748, 20860, 21014, 21567, 22515, 23244, 23542, 25935, 27118, 28310, 28756, 29055, 30020, 30810, 31290, 31521, 33180, 33972, 34580, 35313, 35945, 36803, 38740, 39026, 39634, 40677, 42028, 42465, 43134, 45030, 47084, 51870, 52535, 54236, 56620, 58110, 58539, 58855, 59451, 61620, 62580, 63042, 67795, 70626, 71890, 73606, 78052, 79268, 81354, 82397, 84930, 86268, 90060, 97565, 99085, 103740, 105070, 107835, 110409, 116220, 117078, 117710, 118902, 126084, 135590, 136591, 141252, 143780, 147212, 153023, 157605, 162708, 164794, 169860, 176565, 184015, 195130, 198170, 203385, 210140, 215670, 220818, 223649, 234156, 235420, 237804, 247191, 257621, 271180, 273182, 292695, 297255, 306046, 315210, 329588, 353130, 368030, 390260, 396340, 406770, 409773, 411985, 431340, 441636, 447298, 459069, 494382, 515242, 546364, 552045, 585390, 594510, 612092, 630420, 670947, 682955, 706260, 736060, 765115, 772863, 813540, 819546, 823970, 894596, 918138, 988764, 1030484, 1071161, 1104090, 1118245, 1170780, 1189020, 1235955, 1288105, 1341894, 1365910, 1530230, 1545726, 1565543, 1639092, 1647940, 1836276, 2048865, 2142322, 2208180, 2236490, 2295345, 2471910, 2576210, 2683788, 2731820, 2907437, 3060460, 3091452, 3131086, 3213483, 3354735, 3864315, 4097730, 4284644, 4472980, 4590690, 4696629, 4943820, 5152420, 5355805, 5814874, 6262172, 6426966, 6709470, 7728630, 7827715, 8195460, 8722311, 9181380, 9393258, 10711610, 11629748, 12853932, 13418940, 14537185, 15457260, 15655430, 16067415, 17444622, 18786516, 20352059, 21423220, 23483145, 29074370, 31310860, 32134830, 34889244, 40704118, 43611555, 46966290, 58148740, 61056177, 64269660, 81408236, 87223110, 93932580, 101760295, 122112354, 174446220, 203520590, 244224708, 305280885, 407041180, 610561770, 1221123540]

約数ペア:

[(1, 1221123540), (2, 610561770), (3, 407041180), (4, 305280885), (5, 244224708), (6, 203520590), (7, 174446220), (10, 122112354), (12, 101760295), (13, 93932580), (14, 87223110), (15, 81408236), (19, 64269660), (20, 61056177), (21, 58148740), (26, 46966290), (28, 43611555), (30, 40704118), (35, 34889244), (38, 32134830), (39, 31310860), (42, 29074370), (52, 23483145), (57, 21423220), (60, 20352059), (65, 18786516), (70, 17444622), (76, 16067415), (78, 15655430), (79, 15457260), (84, 14537185), (91, 13418940), (95, 12853932), (105, 11629748), (114, 10711610), (130, 9393258), (133, 9181380), (140, 8722311), (149, 8195460), (156, 7827715), (158, 7728630), (182, 6709470), (190, 6426966), (195, 6262172), (210, 5814874), (228, 5355805), (237, 5152420), (247, 4943820), (260, 4696629), (266, 4590690), (273, 4472980), (285, 4284644), (298, 4097730), (316, 3864315), (364, 3354735), (380, 3213483), (390, 3131086), (395, 3091452), (399, 3060460), (420, 2907437), (447, 2731820), (455, 2683788), (474, 2576210), (494, 2471910), (532, 2295345), (546, 2236490), (553, 2208180), (570, 2142322), (596, 2048865), (665, 1836276), (741, 1647940), (745, 1639092), (780, 1565543), (790, 1545726), (798, 1530230), (894, 1365910), (910, 1341894), (948, 1288105), (988, 1235955), (1027, 1189020), (1043, 1170780), (1092, 1118245), (1106, 1104090), (1140, 1071161), (1185, 1030484), (1235, 988764), (1330, 918138), (1365, 894596), (1482, 823970), (1490, 819546), (1501, 813540), (1580, 772863), (1596, 765115), (1659, 736060), (1729, 706260), (1788, 682955), (1820, 670947), (1937, 630420), (1995, 612092), (2054, 594510), (2086, 585390), (2212, 552045), (2235, 546364), (2370, 515242), (2470, 494382), (2660, 459069), (2730, 447298), (2765, 441636), (2831, 431340), (2964, 411985), (2980, 409773), (3002, 406770), (3081, 396340), (3129, 390260), (3318, 368030), (3458, 353130), (3705, 329588), (3874, 315210), (3990, 306046), (4108, 297255), (4172, 292695), (4470, 273182), (4503, 271180), (4740, 257621), (4940, 247191), (5135, 237804), (5187, 235420), (5215, 234156), (5460, 223649), (5530, 220818), (5662, 215670), (5811, 210140), (6004, 203385), (6162, 198170), (6258, 195130), (6636, 184015), (6916, 176565), (7189, 169860), (7410, 164794), (7505, 162708), (7748, 157605), (7980, 153023), (8295, 147212), (8493, 143780), (8645, 141252), (8940, 136591), (9006, 135590), (9685, 126084), (10270, 118902), (10374, 117710), (10430, 117078), (10507, 116220), (11060, 110409), (11324, 107835), (11622, 105070), (11771, 103740), (12324, 99085), (12516, 97565), (13559, 90060), (14155, 86268), (14378, 84930), (14820, 82397), (15010, 81354), (15405, 79268), (15645, 78052), (16590, 73606), (16986, 71890), (17290, 70626), (18012, 67795), (19370, 63042), (19513, 62580), (19817, 61620), (20540, 59451), (20748, 58855), (20860, 58539), (21014, 58110), (21567, 56620), (22515, 54236), (23244, 52535), (23542, 51870), (25935, 47084), (27118, 45030), (28310, 43134), (28756, 42465), (29055, 42028), (30020, 40677), (30810, 39634), (31290, 39026), (31521, 38740), (33180, 36803), (33972, 35945), (34580, 35313)]