21598128320

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1\times {\mathrm{607}}^1$

素因数の和:1318

約数の個数: 112

約数和(自身を含む): 51837262848

約数和(自身を除く): 30239134528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 443, 502, 607, 886, 1004, 1214, 1255, 1772, 2008, 2215, 2428, 2510, 3035, 3544, 4016, 4430, 4856, 5020, 6070, 7088, 8032, 8860, 9712, 10040, 12140, 14176, 16064, 17720, 19424, 20080, 24280, 28352, 35440, 38848, 40160, 48560, 70880, 80320, 97120, 111193, 141760, 152357, 194240, 222386, 268901, 304714, 444772, 537802, 555965, 609428, 761785, 889544, 1075604, 1111930, 1218856, 1344505, 1523570, 1779088, 2151208, 2223860, 2437712, 2689010, 3047140, 3558176, 4302416, 4447720, 4875424, 5378020, 6094280, 7116352, 8604832, 8895440, 9750848, 10756040, 12188560, 17209664, 17790880, 21512080, 24377120, 35581760, 43024160, 48754240, 67494151, 86048320, 134988302, 269976604, 337470755, 539953208, 674941510, 1079906416, 1349883020, 2159812832, 2699766040, 4319625664, 5399532080, 10799064160, 21598128320]

約数ペア:

[(1, 21598128320), (2, 10799064160), (4, 5399532080), (5, 4319625664), (8, 2699766040), (10, 2159812832), (16, 1349883020), (20, 1079906416), (32, 674941510), (40, 539953208), (64, 337470755), (80, 269976604), (160, 134988302), (251, 86048320), (320, 67494151), (443, 48754240), (502, 43024160), (607, 35581760), (886, 24377120), (1004, 21512080), (1214, 17790880), (1255, 17209664), (1772, 12188560), (2008, 10756040), (2215, 9750848), (2428, 8895440), (2510, 8604832), (3035, 7116352), (3544, 6094280), (4016, 5378020), (4430, 4875424), (4856, 4447720), (5020, 4302416), (6070, 3558176), (7088, 3047140), (8032, 2689010), (8860, 2437712), (9712, 2223860), (10040, 2151208), (12140, 1779088), (14176, 1523570), (16064, 1344505), (17720, 1218856), (19424, 1111930), (20080, 1075604), (24280, 889544), (28352, 761785), (35440, 609428), (38848, 555965), (40160, 537802), (48560, 444772), (70880, 304714), (80320, 268901), (97120, 222386), (111193, 194240), (141760, 152357)]