178937940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{72739}}^1$

素因数の和:72792

約数の個数: 48

約数和(自身を含む): 513253440

約数和(自身を除く): 334315500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 72739, 145478, 218217, 290956, 363695, 436434, 727390, 872868, 1091085, 1454780, 2182170, 2982299, 4364340, 5964598, 8946897, 11929196, 14911495, 17893794, 29822990, 35787588, 44734485, 59645980, 89468970, 178937940]

約数ペア:

[(1, 178937940), (2, 89468970), (3, 59645980), (4, 44734485), (5, 35787588), (6, 29822990), (10, 17893794), (12, 14911495), (15, 11929196), (20, 8946897), (30, 5964598), (41, 4364340), (60, 2982299), (82, 2182170), (123, 1454780), (164, 1091085), (205, 872868), (246, 727390), (410, 436434), (492, 363695), (615, 290956), (820, 218217), (1230, 145478), (2460, 72739)]