15678538720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{17489}}^1$

素因数の和:17948

約数の個数: 96

約数和(自身を含む): 39984658560

約数和(自身を除く): 24306119840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 431, 520, 862, 1040, 1724, 2080, 2155, 3448, 4310, 5603, 6896, 8620, 11206, 13792, 17240, 17489, 22412, 28015, 34480, 34978, 44824, 56030, 68960, 69956, 87445, 89648, 112060, 139912, 174890, 179296, 224120, 227357, 279824, 349780, 448240, 454714, 559648, 699560, 896480, 909428, 1136785, 1399120, 1818856, 2273570, 2798240, 3637712, 4547140, 7275424, 7537759, 9094280, 15075518, 18188560, 30151036, 36377120, 37688795, 60302072, 75377590, 97990867, 120604144, 150755180, 195981734, 241208288, 301510360, 391963468, 489954335, 603020720, 783926936, 979908670, 1206041440, 1567853872, 1959817340, 3135707744, 3919634680, 7839269360, 15678538720]

約数ペア:

[(1, 15678538720), (2, 7839269360), (4, 3919634680), (5, 3135707744), (8, 1959817340), (10, 1567853872), (13, 1206041440), (16, 979908670), (20, 783926936), (26, 603020720), (32, 489954335), (40, 391963468), (52, 301510360), (65, 241208288), (80, 195981734), (104, 150755180), (130, 120604144), (160, 97990867), (208, 75377590), (260, 60302072), (416, 37688795), (431, 36377120), (520, 30151036), (862, 18188560), (1040, 15075518), (1724, 9094280), (2080, 7537759), (2155, 7275424), (3448, 4547140), (4310, 3637712), (5603, 2798240), (6896, 2273570), (8620, 1818856), (11206, 1399120), (13792, 1136785), (17240, 909428), (17489, 896480), (22412, 699560), (28015, 559648), (34480, 454714), (34978, 448240), (44824, 349780), (56030, 279824), (68960, 227357), (69956, 224120), (87445, 179296), (89648, 174890), (112060, 139912)]