15647720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 40075560

約数和(自身を除く): 24427840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 61, 88, 106, 110, 121, 122, 212, 220, 242, 244, 265, 305, 424, 440, 484, 488, 530, 583, 605, 610, 671, 968, 1060, 1166, 1210, 1220, 1342, 2120, 2332, 2420, 2440, 2684, 2915, 3233, 3355, 4664, 4840, 5368, 5830, 6413, 6466, 6710, 7381, 11660, 12826, 12932, 13420, 14762, 16165, 23320, 25652, 25864, 26840, 29524, 32065, 32330, 35563, 36905, 51304, 59048, 64130, 64660, 71126, 73810, 128260, 129320, 142252, 147620, 177815, 256520, 284504, 295240, 355630, 391193, 711260, 782386, 1422520, 1564772, 1955965, 3129544, 3911930, 7823860, 15647720]

約数ペア:

[(1, 15647720), (2, 7823860), (4, 3911930), (5, 3129544), (8, 1955965), (10, 1564772), (11, 1422520), (20, 782386), (22, 711260), (40, 391193), (44, 355630), (53, 295240), (55, 284504), (61, 256520), (88, 177815), (106, 147620), (110, 142252), (121, 129320), (122, 128260), (212, 73810), (220, 71126), (242, 64660), (244, 64130), (265, 59048), (305, 51304), (424, 36905), (440, 35563), (484, 32330), (488, 32065), (530, 29524), (583, 26840), (605, 25864), (610, 25652), (671, 23320), (968, 16165), (1060, 14762), (1166, 13420), (1210, 12932), (1220, 12826), (1342, 11660), (2120, 7381), (2332, 6710), (2420, 6466), (2440, 6413), (2684, 5830), (2915, 5368), (3233, 4840), (3355, 4664)]