648293880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7841}}^1$

素因数の和:7921

約数の個数: 128

約数和(自身を含む): 2134278720

約数和(自身を除く): 1485984840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3445, 4134, 5512, 6360, 6890, 7841, 8268, 10335, 13780, 15682, 16536, 20670, 23523, 27560, 31364, 39205, 41340, 47046, 62728, 78410, 82680, 94092, 101933, 117615, 156820, 188184, 203866, 235230, 305799, 313640, 407732, 415573, 470460, 509665, 611598, 815464, 831146, 940920, 1019330, 1223196, 1246719, 1528995, 1662292, 2038660, 2077865, 2446392, 2493438, 3057990, 3324584, 4077320, 4155730, 4986876, 5402449, 6115980, 6233595, 8311460, 9973752, 10804898, 12231960, 12467190, 16207347, 16622920, 21609796, 24934380, 27012245, 32414694, 43219592, 49868760, 54024490, 64829388, 81036735, 108048980, 129658776, 162073470, 216097960, 324146940, 648293880]

約数ペア:

[(1, 648293880), (2, 324146940), (3, 216097960), (4, 162073470), (5, 129658776), (6, 108048980), (8, 81036735), (10, 64829388), (12, 54024490), (13, 49868760), (15, 43219592), (20, 32414694), (24, 27012245), (26, 24934380), (30, 21609796), (39, 16622920), (40, 16207347), (52, 12467190), (53, 12231960), (60, 10804898), (65, 9973752), (78, 8311460), (104, 6233595), (106, 6115980), (120, 5402449), (130, 4986876), (156, 4155730), (159, 4077320), (195, 3324584), (212, 3057990), (260, 2493438), (265, 2446392), (312, 2077865), (318, 2038660), (390, 1662292), (424, 1528995), (520, 1246719), (530, 1223196), (636, 1019330), (689, 940920), (780, 831146), (795, 815464), (1060, 611598), (1272, 509665), (1378, 470460), (1560, 415573), (1590, 407732), (2067, 313640), (2120, 305799), (2756, 235230), (3180, 203866), (3445, 188184), (4134, 156820), (5512, 117615), (6360, 101933), (6890, 94092), (7841, 82680), (8268, 78410), (10335, 62728), (13780, 47046), (15682, 41340), (16536, 39205), (20670, 31364), (23523, 27560)]