247224640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:984

約数の個数: 112

約数和(自身を含む): 644176512

約数和(自身を除く): 396951872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 320, 335, 416, 520, 536, 670, 832, 871, 887, 1040, 1072, 1340, 1742, 1774, 2080, 2144, 2680, 3484, 3548, 4160, 4288, 4355, 4435, 5360, 6968, 7096, 8710, 8870, 10720, 11531, 13936, 14192, 17420, 17740, 21440, 23062, 27872, 28384, 34840, 35480, 46124, 55744, 56768, 57655, 59429, 69680, 70960, 92248, 115310, 118858, 139360, 141920, 184496, 230620, 237716, 278720, 283840, 297145, 368992, 461240, 475432, 594290, 737984, 772577, 922480, 950864, 1188580, 1545154, 1844960, 1901728, 2377160, 3090308, 3689920, 3803456, 3862885, 4754320, 6180616, 7725770, 9508640, 12361232, 15451540, 19017280, 24722464, 30903080, 49444928, 61806160, 123612320, 247224640]

約数ペア:

[(1, 247224640), (2, 123612320), (4, 61806160), (5, 49444928), (8, 30903080), (10, 24722464), (13, 19017280), (16, 15451540), (20, 12361232), (26, 9508640), (32, 7725770), (40, 6180616), (52, 4754320), (64, 3862885), (65, 3803456), (67, 3689920), (80, 3090308), (104, 2377160), (130, 1901728), (134, 1844960), (160, 1545154), (208, 1188580), (260, 950864), (268, 922480), (320, 772577), (335, 737984), (416, 594290), (520, 475432), (536, 461240), (670, 368992), (832, 297145), (871, 283840), (887, 278720), (1040, 237716), (1072, 230620), (1340, 184496), (1742, 141920), (1774, 139360), (2080, 118858), (2144, 115310), (2680, 92248), (3484, 70960), (3548, 69680), (4160, 59429), (4288, 57655), (4355, 56768), (4435, 55744), (5360, 46124), (6968, 35480), (7096, 34840), (8710, 28384), (8870, 27872), (10720, 23062), (11531, 21440), (13936, 17740), (14192, 17420)]