15662240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 72

約数和(自身を含む): 40721940

約数和(自身を除く): 25059700

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 809, 880, 968, 1210, 1618, 1760, 1936, 2420, 3236, 3872, 4045, 4840, 6472, 8090, 8899, 9680, 12944, 16180, 17798, 19360, 25888, 32360, 35596, 44495, 64720, 71192, 88990, 97889, 129440, 142384, 177980, 195778, 284768, 355960, 391556, 489445, 711920, 783112, 978890, 1423840, 1566224, 1957780, 3132448, 3915560, 7831120, 15662240]

約数ペア:

[(1, 15662240), (2, 7831120), (4, 3915560), (5, 3132448), (8, 1957780), (10, 1566224), (11, 1423840), (16, 978890), (20, 783112), (22, 711920), (32, 489445), (40, 391556), (44, 355960), (55, 284768), (80, 195778), (88, 177980), (110, 142384), (121, 129440), (160, 97889), (176, 88990), (220, 71192), (242, 64720), (352, 44495), (440, 35596), (484, 32360), (605, 25888), (809, 19360), (880, 17798), (968, 16180), (1210, 12944), (1618, 9680), (1760, 8899), (1936, 8090), (2420, 6472), (3236, 4840), (3872, 4045)]