64640280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28351}}^1$

素因数の和:28384

約数の個数: 64

約数和(自身を含む): 204134400

約数和(自身を除く): 139494120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 28351, 56702, 85053, 113404, 141755, 170106, 226808, 283510, 340212, 425265, 538669, 567020, 680424, 850530, 1077338, 1134040, 1616007, 1701060, 2154676, 2693345, 3232014, 3402120, 4309352, 5386690, 6464028, 8080035, 10773380, 12928056, 16160070, 21546760, 32320140, 64640280]

約数ペア:

[(1, 64640280), (2, 32320140), (3, 21546760), (4, 16160070), (5, 12928056), (6, 10773380), (8, 8080035), (10, 6464028), (12, 5386690), (15, 4309352), (19, 3402120), (20, 3232014), (24, 2693345), (30, 2154676), (38, 1701060), (40, 1616007), (57, 1134040), (60, 1077338), (76, 850530), (95, 680424), (114, 567020), (120, 538669), (152, 425265), (190, 340212), (228, 283510), (285, 226808), (380, 170106), (456, 141755), (570, 113404), (760, 85053), (1140, 56702), (2280, 28351)]