16578660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5639}}^1$

素因数の和:5665

約数の個数: 72

約数和(自身を含む): 54008640

約数和(自身を除く): 37429980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5639, 11278, 16917, 22556, 28195, 33834, 39473, 56390, 67668, 78946, 84585, 112780, 118419, 157892, 169170, 197365, 236838, 276311, 338340, 394730, 473676, 552622, 592095, 789460, 828933, 1105244, 1184190, 1381555, 1657866, 2368380, 2763110, 3315732, 4144665, 5526220, 8289330, 16578660]

約数ペア:

[(1, 16578660), (2, 8289330), (3, 5526220), (4, 4144665), (5, 3315732), (6, 2763110), (7, 2368380), (10, 1657866), (12, 1381555), (14, 1184190), (15, 1105244), (20, 828933), (21, 789460), (28, 592095), (30, 552622), (35, 473676), (42, 394730), (49, 338340), (60, 276311), (70, 236838), (84, 197365), (98, 169170), (105, 157892), (140, 118419), (147, 112780), (196, 84585), (210, 78946), (245, 67668), (294, 56390), (420, 39473), (490, 33834), (588, 28195), (735, 22556), (980, 16917), (1470, 11278), (2940, 5639)]