66872820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1897

約数の個数: 96

約数和(自身を含む): 216518400

約数和(自身を除く): 149645580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1789, 1869, 2492, 2670, 3115, 3578, 3738, 5340, 5367, 6230, 7156, 7476, 8945, 9345, 10734, 12460, 12523, 17890, 18690, 21468, 25046, 26835, 35780, 37380, 37569, 50092, 53670, 62615, 75138, 107340, 125230, 150276, 159221, 187845, 250460, 318442, 375690, 477663, 636884, 751380, 796105, 955326, 1114547, 1592210, 1910652, 2229094, 2388315, 3184420, 3343641, 4458188, 4776630, 5572735, 6687282, 9553260, 11145470, 13374564, 16718205, 22290940, 33436410, 66872820]

約数ペア:

[(1, 66872820), (2, 33436410), (3, 22290940), (4, 16718205), (5, 13374564), (6, 11145470), (7, 9553260), (10, 6687282), (12, 5572735), (14, 4776630), (15, 4458188), (20, 3343641), (21, 3184420), (28, 2388315), (30, 2229094), (35, 1910652), (42, 1592210), (60, 1114547), (70, 955326), (84, 796105), (89, 751380), (105, 636884), (140, 477663), (178, 375690), (210, 318442), (267, 250460), (356, 187845), (420, 159221), (445, 150276), (534, 125230), (623, 107340), (890, 75138), (1068, 62615), (1246, 53670), (1335, 50092), (1780, 37569), (1789, 37380), (1869, 35780), (2492, 26835), (2670, 25046), (3115, 21468), (3578, 18690), (3738, 17890), (5340, 12523), (5367, 12460), (6230, 10734), (7156, 9345), (7476, 8945)]