68405490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26209}}^1$

素因数の和:26251

約数の個数: 48

約数和(自身を含む): 183994200

約数和(自身を除く): 115588710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 26209, 52418, 78627, 131045, 157254, 235881, 262090, 393135, 471762, 760061, 786270, 1179405, 1520122, 2280183, 2358810, 3800305, 4560366, 6840549, 7600610, 11400915, 13681098, 22801830, 34202745, 68405490]

約数ペア:

[(1, 68405490), (2, 34202745), (3, 22801830), (5, 13681098), (6, 11400915), (9, 7600610), (10, 6840549), (15, 4560366), (18, 3800305), (29, 2358810), (30, 2280183), (45, 1520122), (58, 1179405), (87, 786270), (90, 760061), (145, 471762), (174, 393135), (261, 262090), (290, 235881), (435, 157254), (522, 131045), (870, 78627), (1305, 52418), (2610, 26209)]