15447720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 50284800

約数和(自身を除く): 34837080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 193, 230, 232, 276, 290, 345, 348, 386, 435, 460, 552, 579, 580, 667, 690, 696, 772, 870, 920, 965, 1158, 1160, 1334, 1380, 1544, 1740, 1930, 2001, 2316, 2668, 2760, 2895, 3335, 3480, 3860, 4002, 4439, 4632, 5336, 5597, 5790, 6670, 7720, 8004, 8878, 10005, 11194, 11580, 13317, 13340, 16008, 16791, 17756, 20010, 22195, 22388, 23160, 26634, 26680, 27985, 33582, 35512, 40020, 44390, 44776, 53268, 55970, 66585, 67164, 80040, 83955, 88780, 106536, 111940, 128731, 133170, 134328, 167910, 177560, 223880, 257462, 266340, 335820, 386193, 514924, 532680, 643655, 671640, 772386, 1029848, 1287310, 1544772, 1930965, 2574620, 3089544, 3861930, 5149240, 7723860, 15447720]

約数ペア:

[(1, 15447720), (2, 7723860), (3, 5149240), (4, 3861930), (5, 3089544), (6, 2574620), (8, 1930965), (10, 1544772), (12, 1287310), (15, 1029848), (20, 772386), (23, 671640), (24, 643655), (29, 532680), (30, 514924), (40, 386193), (46, 335820), (58, 266340), (60, 257462), (69, 223880), (87, 177560), (92, 167910), (115, 134328), (116, 133170), (120, 128731), (138, 111940), (145, 106536), (174, 88780), (184, 83955), (193, 80040), (230, 67164), (232, 66585), (276, 55970), (290, 53268), (345, 44776), (348, 44390), (386, 40020), (435, 35512), (460, 33582), (552, 27985), (579, 26680), (580, 26634), (667, 23160), (690, 22388), (696, 22195), (772, 20010), (870, 17756), (920, 16791), (965, 16008), (1158, 13340), (1160, 13317), (1334, 11580), (1380, 11194), (1544, 10005), (1740, 8878), (1930, 8004), (2001, 7720), (2316, 6670), (2668, 5790), (2760, 5597), (2895, 5336), (3335, 4632), (3480, 4439), (3860, 4002)]