20298430320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{13591}}^1$

素因数の和:13748

約数の個数: 240

約数和(自身を含む): 73780420608

約数和(自身を除く): 53481990288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 127, 140, 147, 168, 196, 210, 240, 245, 254, 280, 294, 336, 381, 392, 420, 490, 508, 560, 588, 635, 735, 762, 784, 840, 889, 980, 1016, 1176, 1270, 1470, 1524, 1680, 1778, 1905, 1960, 2032, 2352, 2540, 2667, 2940, 3048, 3556, 3810, 3920, 4445, 5080, 5334, 5880, 6096, 6223, 7112, 7620, 8890, 10160, 10668, 11760, 12446, 13335, 13591, 14224, 15240, 17780, 18669, 21336, 24892, 26670, 27182, 30480, 31115, 35560, 37338, 40773, 42672, 49784, 53340, 54364, 62230, 67955, 71120, 74676, 81546, 93345, 95137, 99568, 106680, 108728, 124460, 135910, 149352, 163092, 186690, 190274, 203865, 213360, 217456, 248920, 271820, 285411, 298704, 326184, 373380, 380548, 407730, 475685, 497840, 543640, 570822, 652368, 665959, 746760, 761096, 815460, 951370, 1087280, 1141644, 1331918, 1427055, 1493520, 1522192, 1630920, 1726057, 1902740, 1997877, 2283288, 2663836, 2854110, 3261840, 3329795, 3452114, 3805480, 3995754, 4566576, 5178171, 5327672, 5708220, 6659590, 6904228, 7610960, 7991508, 8630285, 9989385, 10356342, 10655344, 11416440, 12082399, 13319180, 13808456, 15983016, 17260570, 19978770, 20712684, 22832880, 24164798, 25890855, 26638360, 27616912, 31966032, 34521140, 36247197, 39957540, 41425368, 48329596, 51781710, 53276720, 60411995, 69042280, 72494394, 79915080, 82850736, 84576793, 96659192, 103563420, 120823990, 138084560, 144988788, 159830160, 169153586, 181235985, 193318384, 207126840, 241647980, 253730379, 289977576, 338307172, 362471970, 414253680, 422883965, 483295960, 507460758, 579955152, 676614344, 724943940, 845767930, 966591920, 1014921516, 1268651895, 1353228688, 1449887880, 1691535860, 2029843032, 2537303790, 2899775760, 3383071720, 4059686064, 5074607580, 6766143440, 10149215160, 20298430320]

約数ペア:

[(1, 20298430320), (2, 10149215160), (3, 6766143440), (4, 5074607580), (5, 4059686064), (6, 3383071720), (7, 2899775760), (8, 2537303790), (10, 2029843032), (12, 1691535860), (14, 1449887880), (15, 1353228688), (16, 1268651895), (20, 1014921516), (21, 966591920), (24, 845767930), (28, 724943940), (30, 676614344), (35, 579955152), (40, 507460758), (42, 483295960), (48, 422883965), (49, 414253680), (56, 362471970), (60, 338307172), (70, 289977576), (80, 253730379), (84, 241647980), (98, 207126840), (105, 193318384), (112, 181235985), (120, 169153586), (127, 159830160), (140, 144988788), (147, 138084560), (168, 120823990), (196, 103563420), (210, 96659192), (240, 84576793), (245, 82850736), (254, 79915080), (280, 72494394), (294, 69042280), (336, 60411995), (381, 53276720), (392, 51781710), (420, 48329596), (490, 41425368), (508, 39957540), (560, 36247197), (588, 34521140), (635, 31966032), (735, 27616912), (762, 26638360), (784, 25890855), (840, 24164798), (889, 22832880), (980, 20712684), (1016, 19978770), (1176, 17260570), (1270, 15983016), (1470, 13808456), (1524, 13319180), (1680, 12082399), (1778, 11416440), (1905, 10655344), (1960, 10356342), (2032, 9989385), (2352, 8630285), (2540, 7991508), (2667, 7610960), (2940, 6904228), (3048, 6659590), (3556, 5708220), (3810, 5327672), (3920, 5178171), (4445, 4566576), (5080, 3995754), (5334, 3805480), (5880, 3452114), (6096, 3329795), (6223, 3261840), (7112, 2854110), (7620, 2663836), (8890, 2283288), (10160, 1997877), (10668, 1902740), (11760, 1726057), (12446, 1630920), (13335, 1522192), (13591, 1493520), (14224, 1427055), (15240, 1331918), (17780, 1141644), (18669, 1087280), (21336, 951370), (24892, 815460), (26670, 761096), (27182, 746760), (30480, 665959), (31115, 652368), (35560, 570822), (37338, 543640), (40773, 497840), (42672, 475685), (49784, 407730), (53340, 380548), (54364, 373380), (62230, 326184), (67955, 298704), (71120, 285411), (74676, 271820), (81546, 248920), (93345, 217456), (95137, 213360), (99568, 203865), (106680, 190274), (108728, 186690), (124460, 163092), (135910, 149352)]