15555390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 23220930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 71, 109, 134, 142, 201, 213, 218, 327, 335, 355, 402, 426, 545, 654, 670, 710, 1005, 1065, 1090, 1635, 2010, 2130, 3270, 4757, 7303, 7739, 9514, 14271, 14606, 15478, 21909, 23217, 23785, 28542, 36515, 38695, 43818, 46434, 47570, 71355, 73030, 77390, 109545, 116085, 142710, 219090, 232170, 518513, 1037026, 1555539, 2592565, 3111078, 5185130, 7777695, 15555390]

約数ペア:

[(1, 15555390), (2, 7777695), (3, 5185130), (5, 3111078), (6, 2592565), (10, 1555539), (15, 1037026), (30, 518513), (67, 232170), (71, 219090), (109, 142710), (134, 116085), (142, 109545), (201, 77390), (213, 73030), (218, 71355), (327, 47570), (335, 46434), (355, 43818), (402, 38695), (426, 36515), (545, 28542), (654, 23785), (670, 23217), (710, 21909), (1005, 15478), (1065, 14606), (1090, 14271), (1635, 9514), (2010, 7739), (2130, 7303), (3270, 4757)]