81615559620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{194322761}}^1$

素因数の和:194322780

約数の個数: 48

約数和(自身を含む): 261169792128

約数和(自身を除く): 179554232508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 194322761, 388645522, 582968283, 777291044, 971613805, 1165936566, 1360259327, 1943227610, 2331873132, 2720518654, 2914841415, 3886455220, 4080777981, 5441037308, 5829682830, 6801296635, 8161555962, 11659365660, 13602593270, 16323111924, 20403889905, 27205186540, 40807779810, 81615559620]

約数ペア:

[(1, 81615559620), (2, 40807779810), (3, 27205186540), (4, 20403889905), (5, 16323111924), (6, 13602593270), (7, 11659365660), (10, 8161555962), (12, 6801296635), (14, 5829682830), (15, 5441037308), (20, 4080777981), (21, 3886455220), (28, 2914841415), (30, 2720518654), (35, 2331873132), (42, 1943227610), (60, 1360259327), (70, 1165936566), (84, 971613805), (105, 777291044), (140, 582968283), (210, 388645522), (420, 194322761)]