25169820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 80640672

約数和(自身を除く): 55470852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 61, 65, 69, 78, 92, 115, 122, 130, 138, 156, 183, 195, 230, 244, 260, 276, 299, 305, 345, 366, 390, 460, 529, 598, 610, 690, 732, 780, 793, 897, 915, 1058, 1196, 1220, 1380, 1403, 1495, 1586, 1587, 1794, 1830, 2116, 2379, 2645, 2806, 2990, 3172, 3174, 3588, 3660, 3965, 4209, 4485, 4758, 5290, 5612, 5980, 6348, 6877, 7015, 7930, 7935, 8418, 8970, 9516, 10580, 11895, 13754, 14030, 15860, 15870, 16836, 17940, 18239, 20631, 21045, 23790, 27508, 28060, 31740, 32269, 34385, 36478, 41262, 42090, 47580, 54717, 64538, 68770, 72956, 82524, 84180, 91195, 96807, 103155, 109434, 129076, 137540, 161345, 182390, 193614, 206310, 218868, 273585, 322690, 364780, 387228, 412620, 419497, 484035, 547170, 645380, 838994, 968070, 1094340, 1258491, 1677988, 1936140, 2097485, 2516982, 4194970, 5033964, 6292455, 8389940, 12584910, 25169820]

約数ペア:

[(1, 25169820), (2, 12584910), (3, 8389940), (4, 6292455), (5, 5033964), (6, 4194970), (10, 2516982), (12, 2097485), (13, 1936140), (15, 1677988), (20, 1258491), (23, 1094340), (26, 968070), (30, 838994), (39, 645380), (46, 547170), (52, 484035), (60, 419497), (61, 412620), (65, 387228), (69, 364780), (78, 322690), (92, 273585), (115, 218868), (122, 206310), (130, 193614), (138, 182390), (156, 161345), (183, 137540), (195, 129076), (230, 109434), (244, 103155), (260, 96807), (276, 91195), (299, 84180), (305, 82524), (345, 72956), (366, 68770), (390, 64538), (460, 54717), (529, 47580), (598, 42090), (610, 41262), (690, 36478), (732, 34385), (780, 32269), (793, 31740), (897, 28060), (915, 27508), (1058, 23790), (1196, 21045), (1220, 20631), (1380, 18239), (1403, 17940), (1495, 16836), (1586, 15870), (1587, 15860), (1794, 14030), (1830, 13754), (2116, 11895), (2379, 10580), (2645, 9516), (2806, 8970), (2990, 8418), (3172, 7935), (3174, 7930), (3588, 7015), (3660, 6877), (3965, 6348), (4209, 5980), (4485, 5612), (4758, 5290)]