78774640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 210843648

約数和(自身を除く): 132069008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 863, 1141, 1304, 1630, 1726, 2282, 2608, 3260, 3452, 4315, 4564, 5705, 6041, 6520, 6904, 8630, 9128, 11410, 12082, 13040, 13808, 17260, 18256, 22820, 24164, 30205, 34520, 45640, 48328, 60410, 69040, 91280, 96656, 120820, 140669, 241640, 281338, 483280, 562676, 703345, 984683, 1125352, 1406690, 1969366, 2250704, 2813380, 3938732, 4923415, 5626760, 7877464, 9846830, 11253520, 15754928, 19693660, 39387320, 78774640]

約数ペア:

[(1, 78774640), (2, 39387320), (4, 19693660), (5, 15754928), (7, 11253520), (8, 9846830), (10, 7877464), (14, 5626760), (16, 4923415), (20, 3938732), (28, 2813380), (35, 2250704), (40, 1969366), (56, 1406690), (70, 1125352), (80, 984683), (112, 703345), (140, 562676), (163, 483280), (280, 281338), (326, 241640), (560, 140669), (652, 120820), (815, 96656), (863, 91280), (1141, 69040), (1304, 60410), (1630, 48328), (1726, 45640), (2282, 34520), (2608, 30205), (3260, 24164), (3452, 22820), (4315, 18256), (4564, 17260), (5705, 13808), (6041, 13040), (6520, 12082), (6904, 11410), (8630, 9128)]