128681640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 420076800

約数和(自身を除く): 291395160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 271, 360, 542, 813, 1084, 1319, 1355, 1626, 2168, 2439, 2638, 2710, 3252, 3957, 4065, 4878, 5276, 5420, 6504, 6595, 7914, 8130, 9756, 10552, 10840, 11871, 12195, 13190, 15828, 16260, 19512, 19785, 23742, 24390, 26380, 31656, 32520, 39570, 47484, 48780, 52760, 59355, 79140, 94968, 97560, 118710, 158280, 237420, 357449, 474840, 714898, 1072347, 1429796, 1787245, 2144694, 2859592, 3217041, 3574490, 4289388, 5361735, 6434082, 7148980, 8578776, 10723470, 12868164, 14297960, 16085205, 21446940, 25736328, 32170410, 42893880, 64340820, 128681640]

約数ペア:

[(1, 128681640), (2, 64340820), (3, 42893880), (4, 32170410), (5, 25736328), (6, 21446940), (8, 16085205), (9, 14297960), (10, 12868164), (12, 10723470), (15, 8578776), (18, 7148980), (20, 6434082), (24, 5361735), (30, 4289388), (36, 3574490), (40, 3217041), (45, 2859592), (60, 2144694), (72, 1787245), (90, 1429796), (120, 1072347), (180, 714898), (271, 474840), (360, 357449), (542, 237420), (813, 158280), (1084, 118710), (1319, 97560), (1355, 94968), (1626, 79140), (2168, 59355), (2439, 52760), (2638, 48780), (2710, 47484), (3252, 39570), (3957, 32520), (4065, 31656), (4878, 26380), (5276, 24390), (5420, 23742), (6504, 19785), (6595, 19512), (7914, 16260), (8130, 15828), (9756, 13190), (10552, 12195), (10840, 11871)]