311061720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{2137}}^1$

素因数の和:3364

約数の個数: 64

約数和(自身を含む): 934391520

約数和(自身を除く): 623329800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1213, 2137, 2426, 3639, 4274, 4852, 6065, 6411, 7278, 8548, 9704, 10685, 12130, 12822, 14556, 17096, 18195, 21370, 24260, 25644, 29112, 32055, 36390, 42740, 48520, 51288, 64110, 72780, 85480, 128220, 145560, 256440, 2592181, 5184362, 7776543, 10368724, 12960905, 15553086, 20737448, 25921810, 31106172, 38882715, 51843620, 62212344, 77765430, 103687240, 155530860, 311061720]

約数ペア:

[(1, 311061720), (2, 155530860), (3, 103687240), (4, 77765430), (5, 62212344), (6, 51843620), (8, 38882715), (10, 31106172), (12, 25921810), (15, 20737448), (20, 15553086), (24, 12960905), (30, 10368724), (40, 7776543), (60, 5184362), (120, 2592181), (1213, 256440), (2137, 145560), (2426, 128220), (3639, 85480), (4274, 72780), (4852, 64110), (6065, 51288), (6411, 48520), (7278, 42740), (8548, 36390), (9704, 32055), (10685, 29112), (12130, 25644), (12822, 24260), (14556, 21370), (17096, 18195)]