3555080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 8570880

約数和(自身を除く): 5015800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 61, 62, 94, 122, 124, 155, 188, 235, 244, 248, 305, 310, 376, 470, 488, 610, 620, 940, 1220, 1240, 1457, 1880, 1891, 2440, 2867, 2914, 3782, 5734, 5828, 7285, 7564, 9455, 11468, 11656, 14335, 14570, 15128, 18910, 22936, 28670, 29140, 37820, 57340, 58280, 75640, 88877, 114680, 177754, 355508, 444385, 711016, 888770, 1777540, 3555080]

約数ペア:

[(1, 3555080), (2, 1777540), (4, 888770), (5, 711016), (8, 444385), (10, 355508), (20, 177754), (31, 114680), (40, 88877), (47, 75640), (61, 58280), (62, 57340), (94, 37820), (122, 29140), (124, 28670), (155, 22936), (188, 18910), (235, 15128), (244, 14570), (248, 14335), (305, 11656), (310, 11468), (376, 9455), (470, 7564), (488, 7285), (610, 5828), (620, 5734), (940, 3782), (1220, 2914), (1240, 2867), (1457, 2440), (1880, 1891)]