81908580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 248822784

約数和(自身を除く): 166914204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 173, 195, 260, 346, 390, 519, 607, 692, 780, 865, 1038, 1214, 1730, 1821, 2076, 2249, 2428, 2595, 3035, 3460, 3642, 4498, 5190, 6070, 6747, 7284, 7891, 8996, 9105, 10380, 11245, 12140, 13494, 15782, 18210, 22490, 23673, 26988, 31564, 33735, 36420, 39455, 44980, 47346, 67470, 78910, 94692, 105011, 118365, 134940, 157820, 210022, 236730, 315033, 420044, 473460, 525055, 630066, 1050110, 1260132, 1365143, 1575165, 2100220, 2730286, 3150330, 4095429, 5460572, 6300660, 6825715, 8190858, 13651430, 16381716, 20477145, 27302860, 40954290, 81908580]

約数ペア:

[(1, 81908580), (2, 40954290), (3, 27302860), (4, 20477145), (5, 16381716), (6, 13651430), (10, 8190858), (12, 6825715), (13, 6300660), (15, 5460572), (20, 4095429), (26, 3150330), (30, 2730286), (39, 2100220), (52, 1575165), (60, 1365143), (65, 1260132), (78, 1050110), (130, 630066), (156, 525055), (173, 473460), (195, 420044), (260, 315033), (346, 236730), (390, 210022), (519, 157820), (607, 134940), (692, 118365), (780, 105011), (865, 94692), (1038, 78910), (1214, 67470), (1730, 47346), (1821, 44980), (2076, 39455), (2249, 36420), (2428, 33735), (2595, 31564), (3035, 26988), (3460, 23673), (3642, 22490), (4498, 18210), (5190, 15782), (6070, 13494), (6747, 12140), (7284, 11245), (7891, 10380), (8996, 9105)]