15216840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 96

約数和(自身を含む): 50656320

約数和(自身を除く): 35439480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 983, 1032, 1290, 1548, 1720, 1935, 1966, 2580, 2949, 3096, 3870, 3932, 4915, 5160, 5898, 7740, 7864, 8847, 9830, 11796, 14745, 15480, 17694, 19660, 23592, 29490, 35388, 39320, 42269, 44235, 58980, 70776, 84538, 88470, 117960, 126807, 169076, 176940, 211345, 253614, 338152, 353880, 380421, 422690, 507228, 634035, 760842, 845380, 1014456, 1268070, 1521684, 1690760, 1902105, 2536140, 3043368, 3804210, 5072280, 7608420, 15216840]

約数ペア:

[(1, 15216840), (2, 7608420), (3, 5072280), (4, 3804210), (5, 3043368), (6, 2536140), (8, 1902105), (9, 1690760), (10, 1521684), (12, 1268070), (15, 1014456), (18, 845380), (20, 760842), (24, 634035), (30, 507228), (36, 422690), (40, 380421), (43, 353880), (45, 338152), (60, 253614), (72, 211345), (86, 176940), (90, 169076), (120, 126807), (129, 117960), (172, 88470), (180, 84538), (215, 70776), (258, 58980), (344, 44235), (360, 42269), (387, 39320), (430, 35388), (516, 29490), (645, 23592), (774, 19660), (860, 17694), (983, 15480), (1032, 14745), (1290, 11796), (1548, 9830), (1720, 8847), (1935, 7864), (1966, 7740), (2580, 5898), (2949, 5160), (3096, 4915), (3870, 3932)]