68196440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 166168800

約数和(自身を除く): 97972360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 313, 419, 520, 626, 838, 1252, 1565, 1676, 2095, 2504, 3130, 3352, 4069, 4190, 5447, 6260, 8138, 8380, 10894, 12520, 16276, 16760, 20345, 21788, 27235, 32552, 40690, 43576, 54470, 81380, 108940, 131147, 162760, 217880, 262294, 524588, 655735, 1049176, 1311470, 1704911, 2622940, 3409822, 5245880, 6819644, 8524555, 13639288, 17049110, 34098220, 68196440]

約数ペア:

[(1, 68196440), (2, 34098220), (4, 17049110), (5, 13639288), (8, 8524555), (10, 6819644), (13, 5245880), (20, 3409822), (26, 2622940), (40, 1704911), (52, 1311470), (65, 1049176), (104, 655735), (130, 524588), (260, 262294), (313, 217880), (419, 162760), (520, 131147), (626, 108940), (838, 81380), (1252, 54470), (1565, 43576), (1676, 40690), (2095, 32552), (2504, 27235), (3130, 21788), (3352, 20345), (4069, 16760), (4190, 16276), (5447, 12520), (6260, 10894), (8138, 8380)]