54281680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 134991360

約数和(自身を除く): 80709680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 239, 272, 334, 340, 478, 668, 680, 835, 956, 1195, 1336, 1360, 1670, 1912, 2390, 2672, 2839, 3340, 3824, 4063, 4780, 5678, 6680, 8126, 9560, 11356, 13360, 14195, 16252, 19120, 20315, 22712, 28390, 32504, 39913, 40630, 45424, 56780, 65008, 79826, 81260, 113560, 159652, 162520, 199565, 227120, 319304, 325040, 399130, 638608, 678521, 798260, 1357042, 1596520, 2714084, 3193040, 3392605, 5428168, 6785210, 10856336, 13570420, 27140840, 54281680]

約数ペア:

[(1, 54281680), (2, 27140840), (4, 13570420), (5, 10856336), (8, 6785210), (10, 5428168), (16, 3392605), (17, 3193040), (20, 2714084), (34, 1596520), (40, 1357042), (68, 798260), (80, 678521), (85, 638608), (136, 399130), (167, 325040), (170, 319304), (239, 227120), (272, 199565), (334, 162520), (340, 159652), (478, 113560), (668, 81260), (680, 79826), (835, 65008), (956, 56780), (1195, 45424), (1336, 40630), (1360, 39913), (1670, 32504), (1912, 28390), (2390, 22712), (2672, 20315), (2839, 19120), (3340, 16252), (3824, 14195), (4063, 13360), (4780, 11356), (5678, 9560), (6680, 8126)]