28213110

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 80

約数和(自身を含む): 77240592

約数和(自身を除く): 49027482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 571, 610, 810, 915, 1098, 1142, 1647, 1713, 1830, 2745, 2855, 3294, 3426, 4941, 5139, 5490, 5710, 8235, 8565, 9882, 10278, 15417, 16470, 17130, 24705, 25695, 30834, 34831, 46251, 49410, 51390, 69662, 77085, 92502, 104493, 154170, 174155, 208986, 231255, 313479, 348310, 462510, 522465, 626958, 940437, 1044930, 1567395, 1880874, 2821311, 3134790, 4702185, 5642622, 9404370, 14106555, 28213110]

約数ペア:

[(1, 28213110), (2, 14106555), (3, 9404370), (5, 5642622), (6, 4702185), (9, 3134790), (10, 2821311), (15, 1880874), (18, 1567395), (27, 1044930), (30, 940437), (45, 626958), (54, 522465), (61, 462510), (81, 348310), (90, 313479), (122, 231255), (135, 208986), (162, 174155), (183, 154170), (270, 104493), (305, 92502), (366, 77085), (405, 69662), (549, 51390), (571, 49410), (610, 46251), (810, 34831), (915, 30834), (1098, 25695), (1142, 24705), (1647, 17130), (1713, 16470), (1830, 15417), (2745, 10278), (2855, 9882), (3294, 8565), (3426, 8235), (4941, 5710), (5139, 5490)]