489908280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1453

約数の個数: 128

約数和(自身を含む): 1545868800

約数和(自身を除く): 1055960520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 834, 920, 1112, 1277, 1380, 1390, 1668, 2085, 2554, 2760, 2780, 3197, 3336, 3831, 4170, 5108, 5560, 6385, 6394, 7662, 8340, 9591, 10216, 12770, 12788, 15324, 15985, 16680, 19155, 19182, 25540, 25576, 29371, 30648, 31970, 38310, 38364, 47955, 51080, 58742, 63940, 76620, 76728, 88113, 95910, 117484, 127880, 146855, 153240, 176226, 177503, 191820, 234968, 293710, 352452, 355006, 383640, 440565, 532509, 587420, 704904, 710012, 881130, 887515, 1065018, 1174840, 1420024, 1762260, 1775030, 2130036, 2662545, 3524520, 3550060, 4082569, 4260072, 5325090, 7100120, 8165138, 10650180, 12247707, 16330276, 20412845, 21300360, 24495414, 32660552, 40825690, 48990828, 61238535, 81651380, 97981656, 122477070, 163302760, 244954140, 489908280]

約数ペア:

[(1, 489908280), (2, 244954140), (3, 163302760), (4, 122477070), (5, 97981656), (6, 81651380), (8, 61238535), (10, 48990828), (12, 40825690), (15, 32660552), (20, 24495414), (23, 21300360), (24, 20412845), (30, 16330276), (40, 12247707), (46, 10650180), (60, 8165138), (69, 7100120), (92, 5325090), (115, 4260072), (120, 4082569), (138, 3550060), (139, 3524520), (184, 2662545), (230, 2130036), (276, 1775030), (278, 1762260), (345, 1420024), (417, 1174840), (460, 1065018), (552, 887515), (556, 881130), (690, 710012), (695, 704904), (834, 587420), (920, 532509), (1112, 440565), (1277, 383640), (1380, 355006), (1390, 352452), (1668, 293710), (2085, 234968), (2554, 191820), (2760, 177503), (2780, 176226), (3197, 153240), (3336, 146855), (3831, 127880), (4170, 117484), (5108, 95910), (5560, 88113), (6385, 76728), (6394, 76620), (7662, 63940), (8340, 58742), (9591, 51080), (10216, 47955), (12770, 38364), (12788, 38310), (15324, 31970), (15985, 30648), (16680, 29371), (19155, 25576), (19182, 25540)]