51661020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 149700096

約数和(自身を除く): 98039076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 71, 134, 142, 181, 201, 213, 268, 284, 335, 355, 362, 402, 426, 543, 670, 710, 724, 804, 852, 905, 1005, 1065, 1086, 1340, 1420, 1810, 2010, 2130, 2172, 2715, 3620, 4020, 4260, 4757, 5430, 9514, 10860, 12127, 12851, 14271, 19028, 23785, 24254, 25702, 28542, 36381, 38553, 47570, 48508, 51404, 57084, 60635, 64255, 71355, 72762, 77106, 95140, 121270, 128510, 142710, 145524, 154212, 181905, 192765, 242540, 257020, 285420, 363810, 385530, 727620, 771060, 861017, 1722034, 2583051, 3444068, 4305085, 5166102, 8610170, 10332204, 12915255, 17220340, 25830510, 51661020]

約数ペア:

[(1, 51661020), (2, 25830510), (3, 17220340), (4, 12915255), (5, 10332204), (6, 8610170), (10, 5166102), (12, 4305085), (15, 3444068), (20, 2583051), (30, 1722034), (60, 861017), (67, 771060), (71, 727620), (134, 385530), (142, 363810), (181, 285420), (201, 257020), (213, 242540), (268, 192765), (284, 181905), (335, 154212), (355, 145524), (362, 142710), (402, 128510), (426, 121270), (543, 95140), (670, 77106), (710, 72762), (724, 71355), (804, 64255), (852, 60635), (905, 57084), (1005, 51404), (1065, 48508), (1086, 47570), (1340, 38553), (1420, 36381), (1810, 28542), (2010, 25702), (2130, 24254), (2172, 23785), (2715, 19028), (3620, 14271), (4020, 12851), (4260, 12127), (4757, 10860), (5430, 9514)]