74780680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4694

約数の個数: 64

約数和(自身を含む): 187084800

約数和(自身を除く): 112304120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4639, 8060, 9278, 16120, 18556, 23195, 37112, 46390, 60307, 92780, 120614, 143809, 185560, 241228, 287618, 301535, 482456, 575236, 603070, 719045, 1150472, 1206140, 1438090, 1869517, 2412280, 2876180, 3739034, 5752360, 7478068, 9347585, 14956136, 18695170, 37390340, 74780680]

約数ペア:

[(1, 74780680), (2, 37390340), (4, 18695170), (5, 14956136), (8, 9347585), (10, 7478068), (13, 5752360), (20, 3739034), (26, 2876180), (31, 2412280), (40, 1869517), (52, 1438090), (62, 1206140), (65, 1150472), (104, 719045), (124, 603070), (130, 575236), (155, 482456), (248, 301535), (260, 287618), (310, 241228), (403, 185560), (520, 143809), (620, 120614), (806, 92780), (1240, 60307), (1612, 46390), (2015, 37112), (3224, 23195), (4030, 18556), (4639, 16120), (8060, 9278)]