15943280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 41381280

約数和(自身を除く): 25438000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 617, 646, 680, 760, 1234, 1292, 1360, 1520, 1615, 2468, 2584, 3085, 3230, 4936, 5168, 6170, 6460, 9872, 10489, 11723, 12340, 12920, 20978, 23446, 24680, 25840, 41956, 46892, 49360, 52445, 58615, 83912, 93784, 104890, 117230, 167824, 187568, 199291, 209780, 234460, 398582, 419560, 468920, 797164, 839120, 937840, 996455, 1594328, 1992910, 3188656, 3985820, 7971640, 15943280]

約数ペア:

[(1, 15943280), (2, 7971640), (4, 3985820), (5, 3188656), (8, 1992910), (10, 1594328), (16, 996455), (17, 937840), (19, 839120), (20, 797164), (34, 468920), (38, 419560), (40, 398582), (68, 234460), (76, 209780), (80, 199291), (85, 187568), (95, 167824), (136, 117230), (152, 104890), (170, 93784), (190, 83912), (272, 58615), (304, 52445), (323, 49360), (340, 46892), (380, 41956), (617, 25840), (646, 24680), (680, 23446), (760, 20978), (1234, 12920), (1292, 12340), (1360, 11723), (1520, 10489), (1615, 9872), (2468, 6460), (2584, 6170), (3085, 5168), (3230, 4936)]