28216770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 72959616

約数和(自身を除く): 44742846

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 305, 366, 510, 610, 907, 915, 1037, 1814, 1830, 2074, 2721, 3111, 4535, 5185, 5442, 6222, 9070, 10370, 13605, 15419, 15555, 27210, 30838, 31110, 46257, 55327, 77095, 92514, 110654, 154190, 165981, 231285, 276635, 331962, 462570, 553270, 829905, 940559, 1659810, 1881118, 2821677, 4702795, 5643354, 9405590, 14108385, 28216770]

約数ペア:

[(1, 28216770), (2, 14108385), (3, 9405590), (5, 5643354), (6, 4702795), (10, 2821677), (15, 1881118), (17, 1659810), (30, 940559), (34, 829905), (51, 553270), (61, 462570), (85, 331962), (102, 276635), (122, 231285), (170, 165981), (183, 154190), (255, 110654), (305, 92514), (366, 77095), (510, 55327), (610, 46257), (907, 31110), (915, 30838), (1037, 27210), (1814, 15555), (1830, 15419), (2074, 13605), (2721, 10370), (3111, 9070), (4535, 6222), (5185, 5442)]