680760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 2321280

約数和(自身を除く): 1640520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 61, 62, 72, 90, 93, 120, 122, 124, 155, 180, 183, 186, 244, 248, 279, 305, 310, 360, 366, 372, 465, 488, 549, 558, 610, 620, 732, 744, 915, 930, 1098, 1116, 1220, 1240, 1395, 1464, 1830, 1860, 1891, 2196, 2232, 2440, 2745, 2790, 3660, 3720, 3782, 4392, 5490, 5580, 5673, 7320, 7564, 9455, 10980, 11160, 11346, 15128, 17019, 18910, 21960, 22692, 28365, 34038, 37820, 45384, 56730, 68076, 75640, 85095, 113460, 136152, 170190, 226920, 340380, 680760]

約数ペア:

[(1, 680760), (2, 340380), (3, 226920), (4, 170190), (5, 136152), (6, 113460), (8, 85095), (9, 75640), (10, 68076), (12, 56730), (15, 45384), (18, 37820), (20, 34038), (24, 28365), (30, 22692), (31, 21960), (36, 18910), (40, 17019), (45, 15128), (60, 11346), (61, 11160), (62, 10980), (72, 9455), (90, 7564), (93, 7320), (120, 5673), (122, 5580), (124, 5490), (155, 4392), (180, 3782), (183, 3720), (186, 3660), (244, 2790), (248, 2745), (279, 2440), (305, 2232), (310, 2196), (360, 1891), (366, 1860), (372, 1830), (465, 1464), (488, 1395), (549, 1240), (558, 1220), (610, 1116), (620, 1098), (732, 930), (744, 915)]