19911310440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:1132

約数の個数: 256

約数和(自身を含む): 69132510720

約数和(自身を除く): 49221200280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 181, 210, 280, 346, 362, 420, 519, 543, 692, 724, 757, 840, 865, 905, 1038, 1086, 1211, 1267, 1384, 1448, 1514, 1730, 1810, 2076, 2172, 2271, 2422, 2534, 2595, 2715, 3028, 3460, 3620, 3633, 3785, 3801, 4152, 4344, 4542, 4844, 5068, 5190, 5299, 5430, 6055, 6056, 6335, 6920, 7240, 7266, 7570, 7602, 9084, 9688, 10136, 10380, 10598, 10860, 11355, 12110, 12670, 14532, 15140, 15204, 15897, 18165, 18168, 19005, 20760, 21196, 21720, 22710, 24220, 25340, 26495, 29064, 30280, 30408, 31313, 31794, 36330, 38010, 42392, 45420, 48440, 50680, 52990, 62626, 63588, 72660, 76020, 79485, 90840, 93939, 105980, 125252, 127176, 130961, 137017, 145320, 152040, 156565, 158970, 187878, 211960, 219191, 250504, 261922, 274034, 313130, 317940, 375756, 392883, 411051, 438382, 469695, 523844, 548068, 626260, 635880, 654805, 657573, 685085, 751512, 785766, 822102, 876764, 916727, 939390, 959119, 1047688, 1095955, 1096136, 1252520, 1309610, 1315146, 1370170, 1571532, 1644204, 1753528, 1833454, 1878780, 1918238, 1964415, 2055255, 2191910, 2619220, 2630292, 2740340, 2750181, 2877357, 3143064, 3287865, 3288408, 3666908, 3757560, 3836476, 3928830, 4110510, 4383820, 4583635, 4795595, 5238440, 5260584, 5480680, 5500362, 5754714, 6575730, 7333816, 7672952, 7857660, 8221020, 8767640, 9167270, 9591190, 11000724, 11509428, 13151460, 13750905, 14386785, 15715320, 16442040, 18334540, 19182380, 22001448, 23018856, 23703941, 26302920, 27501810, 28773570, 36669080, 38364760, 47407882, 55003620, 57547140, 71111823, 94815764, 110007240, 115094280, 118519705, 142223646, 165927587, 189631528, 237039410, 284447292, 331855174, 355559115, 474078820, 497782761, 568894584, 663710348, 711118230, 829637935, 948157640, 995565522, 1327420696, 1422236460, 1659275870, 1991131044, 2488913805, 2844472920, 3318551740, 3982262088, 4977827610, 6637103480, 9955655220, 19911310440]

約数ペア:

[(1, 19911310440), (2, 9955655220), (3, 6637103480), (4, 4977827610), (5, 3982262088), (6, 3318551740), (7, 2844472920), (8, 2488913805), (10, 1991131044), (12, 1659275870), (14, 1422236460), (15, 1327420696), (20, 995565522), (21, 948157640), (24, 829637935), (28, 711118230), (30, 663710348), (35, 568894584), (40, 497782761), (42, 474078820), (56, 355559115), (60, 331855174), (70, 284447292), (84, 237039410), (105, 189631528), (120, 165927587), (140, 142223646), (168, 118519705), (173, 115094280), (181, 110007240), (210, 94815764), (280, 71111823), (346, 57547140), (362, 55003620), (420, 47407882), (519, 38364760), (543, 36669080), (692, 28773570), (724, 27501810), (757, 26302920), (840, 23703941), (865, 23018856), (905, 22001448), (1038, 19182380), (1086, 18334540), (1211, 16442040), (1267, 15715320), (1384, 14386785), (1448, 13750905), (1514, 13151460), (1730, 11509428), (1810, 11000724), (2076, 9591190), (2172, 9167270), (2271, 8767640), (2422, 8221020), (2534, 7857660), (2595, 7672952), (2715, 7333816), (3028, 6575730), (3460, 5754714), (3620, 5500362), (3633, 5480680), (3785, 5260584), (3801, 5238440), (4152, 4795595), (4344, 4583635), (4542, 4383820), (4844, 4110510), (5068, 3928830), (5190, 3836476), (5299, 3757560), (5430, 3666908), (6055, 3288408), (6056, 3287865), (6335, 3143064), (6920, 2877357), (7240, 2750181), (7266, 2740340), (7570, 2630292), (7602, 2619220), (9084, 2191910), (9688, 2055255), (10136, 1964415), (10380, 1918238), (10598, 1878780), (10860, 1833454), (11355, 1753528), (12110, 1644204), (12670, 1571532), (14532, 1370170), (15140, 1315146), (15204, 1309610), (15897, 1252520), (18165, 1096136), (18168, 1095955), (19005, 1047688), (20760, 959119), (21196, 939390), (21720, 916727), (22710, 876764), (24220, 822102), (25340, 785766), (26495, 751512), (29064, 685085), (30280, 657573), (30408, 654805), (31313, 635880), (31794, 626260), (36330, 548068), (38010, 523844), (42392, 469695), (45420, 438382), (48440, 411051), (50680, 392883), (52990, 375756), (62626, 317940), (63588, 313130), (72660, 274034), (76020, 261922), (79485, 250504), (90840, 219191), (93939, 211960), (105980, 187878), (125252, 158970), (127176, 156565), (130961, 152040), (137017, 145320)]