15581120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 112

約数和(自身を含む): 40599360

約数和(自身を除く): 25018240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 73, 80, 92, 115, 116, 145, 146, 160, 184, 230, 232, 290, 292, 320, 365, 368, 460, 464, 580, 584, 667, 730, 736, 920, 928, 1160, 1168, 1334, 1460, 1472, 1679, 1840, 1856, 2117, 2320, 2336, 2668, 2920, 3335, 3358, 3680, 4234, 4640, 4672, 5336, 5840, 6670, 6716, 7360, 8395, 8468, 9280, 10585, 10672, 11680, 13340, 13432, 16790, 16936, 21170, 21344, 23360, 26680, 26864, 33580, 33872, 42340, 42688, 48691, 53360, 53728, 67160, 67744, 84680, 97382, 106720, 107456, 134320, 135488, 169360, 194764, 213440, 243455, 268640, 338720, 389528, 486910, 537280, 677440, 779056, 973820, 1558112, 1947640, 3116224, 3895280, 7790560, 15581120]

約数ペア:

[(1, 15581120), (2, 7790560), (4, 3895280), (5, 3116224), (8, 1947640), (10, 1558112), (16, 973820), (20, 779056), (23, 677440), (29, 537280), (32, 486910), (40, 389528), (46, 338720), (58, 268640), (64, 243455), (73, 213440), (80, 194764), (92, 169360), (115, 135488), (116, 134320), (145, 107456), (146, 106720), (160, 97382), (184, 84680), (230, 67744), (232, 67160), (290, 53728), (292, 53360), (320, 48691), (365, 42688), (368, 42340), (460, 33872), (464, 33580), (580, 26864), (584, 26680), (667, 23360), (730, 21344), (736, 21170), (920, 16936), (928, 16790), (1160, 13432), (1168, 13340), (1334, 11680), (1460, 10672), (1472, 10585), (1679, 9280), (1840, 8468), (1856, 8395), (2117, 7360), (2320, 6716), (2336, 6670), (2668, 5840), (2920, 5336), (3335, 4672), (3358, 4640), (3680, 4234)]