120800800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4922

約数の個数: 72

約数和(自身を含む): 304480512

約数和(自身を除く): 183679712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4871, 4960, 6200, 9742, 12400, 19484, 24355, 24800, 38968, 48710, 77936, 97420, 121775, 151001, 155872, 194840, 243550, 302002, 389680, 487100, 604004, 755005, 779360, 974200, 1208008, 1510010, 1948400, 2416016, 3020020, 3775025, 3896800, 4832032, 6040040, 7550050, 12080080, 15100100, 24160160, 30200200, 60400400, 120800800]

約数ペア:

[(1, 120800800), (2, 60400400), (4, 30200200), (5, 24160160), (8, 15100100), (10, 12080080), (16, 7550050), (20, 6040040), (25, 4832032), (31, 3896800), (32, 3775025), (40, 3020020), (50, 2416016), (62, 1948400), (80, 1510010), (100, 1208008), (124, 974200), (155, 779360), (160, 755005), (200, 604004), (248, 487100), (310, 389680), (400, 302002), (496, 243550), (620, 194840), (775, 155872), (800, 151001), (992, 121775), (1240, 97420), (1550, 77936), (2480, 48710), (3100, 38968), (4871, 24800), (4960, 24355), (6200, 19484), (9742, 12400)]