220311120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2557}}^1$

素因数の和:2932

約数の個数: 80

約数和(自身を含む): 685134720

約数和(自身を除く): 464823600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 359, 718, 1077, 1436, 1795, 2154, 2557, 2872, 3590, 4308, 5114, 5385, 5744, 7180, 7671, 8616, 10228, 10770, 12785, 14360, 15342, 17232, 20456, 21540, 25570, 28720, 30684, 38355, 40912, 43080, 51140, 61368, 76710, 86160, 102280, 122736, 153420, 204560, 306840, 613680, 917963, 1835926, 2753889, 3671852, 4589815, 5507778, 7343704, 9179630, 11015556, 13769445, 14687408, 18359260, 22031112, 27538890, 36718520, 44062224, 55077780, 73437040, 110155560, 220311120]

約数ペア:

[(1, 220311120), (2, 110155560), (3, 73437040), (4, 55077780), (5, 44062224), (6, 36718520), (8, 27538890), (10, 22031112), (12, 18359260), (15, 14687408), (16, 13769445), (20, 11015556), (24, 9179630), (30, 7343704), (40, 5507778), (48, 4589815), (60, 3671852), (80, 2753889), (120, 1835926), (240, 917963), (359, 613680), (718, 306840), (1077, 204560), (1436, 153420), (1795, 122736), (2154, 102280), (2557, 86160), (2872, 76710), (3590, 61368), (4308, 51140), (5114, 43080), (5385, 40912), (5744, 38355), (7180, 30684), (7671, 28720), (8616, 25570), (10228, 21540), (10770, 20456), (12785, 17232), (14360, 15342)]