65915220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156941}}^1$

素因数の和:156960

約数の個数: 48

約数和(自身を含む): 210930048

約数和(自身を除く): 145014828

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, 156941, 313882, 470823, 627764, 784705, 941646, 1098587, 1569410, 1883292, 2197174, 2354115, 3138820, 3295761, 4394348, 4708230, 5492935, 6591522, 9416460, 10985870, 13183044, 16478805, 21971740, 32957610, 65915220]

約数ペア:

[(1, 65915220), (2, 32957610), (3, 21971740), (4, 16478805), (5, 13183044), (6, 10985870), (7, 9416460), (10, 6591522), (12, 5492935), (14, 4708230), (15, 4394348), (20, 3295761), (21, 3138820), (28, 2354115), (30, 2197174), (35, 1883292), (42, 1569410), (60, 1098587), (70, 941646), (84, 784705), (105, 627764), (140, 470823), (210, 313882), (420, 156941)]