2427880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 128

約数和(自身を含む): 7257600

約数和(自身を除く): 4829720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 29, 35, 40, 46, 52, 56, 58, 65, 70, 91, 92, 104, 115, 116, 130, 140, 145, 161, 182, 184, 203, 230, 232, 260, 280, 290, 299, 322, 364, 377, 406, 455, 460, 520, 580, 598, 644, 667, 728, 754, 805, 812, 910, 920, 1015, 1160, 1196, 1288, 1334, 1495, 1508, 1610, 1624, 1820, 1885, 2030, 2093, 2392, 2639, 2668, 2990, 3016, 3220, 3335, 3640, 3770, 4060, 4186, 4669, 5278, 5336, 5980, 6440, 6670, 7540, 8120, 8372, 8671, 9338, 10465, 10556, 11960, 13195, 13340, 15080, 16744, 17342, 18676, 20930, 21112, 23345, 26390, 26680, 34684, 37352, 41860, 43355, 46690, 52780, 60697, 69368, 83720, 86710, 93380, 105560, 121394, 173420, 186760, 242788, 303485, 346840, 485576, 606970, 1213940, 2427880]

約数ペア:

[(1, 2427880), (2, 1213940), (4, 606970), (5, 485576), (7, 346840), (8, 303485), (10, 242788), (13, 186760), (14, 173420), (20, 121394), (23, 105560), (26, 93380), (28, 86710), (29, 83720), (35, 69368), (40, 60697), (46, 52780), (52, 46690), (56, 43355), (58, 41860), (65, 37352), (70, 34684), (91, 26680), (92, 26390), (104, 23345), (115, 21112), (116, 20930), (130, 18676), (140, 17342), (145, 16744), (161, 15080), (182, 13340), (184, 13195), (203, 11960), (230, 10556), (232, 10465), (260, 9338), (280, 8671), (290, 8372), (299, 8120), (322, 7540), (364, 6670), (377, 6440), (406, 5980), (455, 5336), (460, 5278), (520, 4669), (580, 4186), (598, 4060), (644, 3770), (667, 3640), (728, 3335), (754, 3220), (805, 3016), (812, 2990), (910, 2668), (920, 2639), (1015, 2392), (1160, 2093), (1196, 2030), (1288, 1885), (1334, 1820), (1495, 1624), (1508, 1610)]