718051760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2083}}^1$

素因数の和:2266

約数の個数: 80

約数和(自身を含む): 1736555520

約数和(自身を除く): 1018503760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 620, 695, 1112, 1240, 1390, 2083, 2224, 2480, 2780, 4166, 4309, 5560, 8332, 8618, 10415, 11120, 16664, 17236, 20830, 21545, 33328, 34472, 41660, 43090, 64573, 68944, 83320, 86180, 129146, 166640, 172360, 258292, 289537, 322865, 344720, 516584, 579074, 645730, 1033168, 1158148, 1291460, 1447685, 2316296, 2582920, 2895370, 4632592, 5165840, 5790740, 8975647, 11581480, 17951294, 23162960, 35902588, 44878235, 71805176, 89756470, 143610352, 179512940, 359025880, 718051760]

約数ペア:

[(1, 718051760), (2, 359025880), (4, 179512940), (5, 143610352), (8, 89756470), (10, 71805176), (16, 44878235), (20, 35902588), (31, 23162960), (40, 17951294), (62, 11581480), (80, 8975647), (124, 5790740), (139, 5165840), (155, 4632592), (248, 2895370), (278, 2582920), (310, 2316296), (496, 1447685), (556, 1291460), (620, 1158148), (695, 1033168), (1112, 645730), (1240, 579074), (1390, 516584), (2083, 344720), (2224, 322865), (2480, 289537), (2780, 258292), (4166, 172360), (4309, 166640), (5560, 129146), (8332, 86180), (8618, 83320), (10415, 68944), (11120, 64573), (16664, 43090), (17236, 41660), (20830, 34472), (21545, 33328)]