79621640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9173}}^1$

素因数の和:9222

約数の個数: 64

約数和(自身を含む): 211368960

約数和(自身を除く): 131747320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9173, 18346, 36692, 45865, 64211, 73384, 91730, 128422, 183460, 256844, 284363, 321055, 366920, 513688, 568726, 642110, 1137452, 1284220, 1421815, 1990541, 2274904, 2568440, 2843630, 3981082, 5687260, 7962164, 9952705, 11374520, 15924328, 19905410, 39810820, 79621640]

約数ペア:

[(1, 79621640), (2, 39810820), (4, 19905410), (5, 15924328), (7, 11374520), (8, 9952705), (10, 7962164), (14, 5687260), (20, 3981082), (28, 2843630), (31, 2568440), (35, 2274904), (40, 1990541), (56, 1421815), (62, 1284220), (70, 1137452), (124, 642110), (140, 568726), (155, 513688), (217, 366920), (248, 321055), (280, 284363), (310, 256844), (434, 183460), (620, 128422), (868, 91730), (1085, 73384), (1240, 64211), (1736, 45865), (2170, 36692), (4340, 18346), (8680, 9173)]