661786512

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10343}}^1$

素因数の和:10428

約数の個数: 80

約数和(自身を含む): 1805979648

約数和(自身を除く): 1144193136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 496, 516, 688, 744, 1032, 1333, 1488, 2064, 2666, 3999, 5332, 7998, 10343, 10664, 15996, 20686, 21328, 31029, 31992, 41372, 62058, 63984, 82744, 124116, 165488, 248232, 320633, 444749, 496464, 641266, 889498, 961899, 1282532, 1334247, 1778996, 1923798, 2565064, 2668494, 3557992, 3847596, 5130128, 5336988, 7115984, 7695192, 10673976, 13787219, 15390384, 21347952, 27574438, 41361657, 55148876, 82723314, 110297752, 165446628, 220595504, 330893256, 661786512]

約数ペア:

[(1, 661786512), (2, 330893256), (3, 220595504), (4, 165446628), (6, 110297752), (8, 82723314), (12, 55148876), (16, 41361657), (24, 27574438), (31, 21347952), (43, 15390384), (48, 13787219), (62, 10673976), (86, 7695192), (93, 7115984), (124, 5336988), (129, 5130128), (172, 3847596), (186, 3557992), (248, 2668494), (258, 2565064), (344, 1923798), (372, 1778996), (496, 1334247), (516, 1282532), (688, 961899), (744, 889498), (1032, 641266), (1333, 496464), (1488, 444749), (2064, 320633), (2666, 248232), (3999, 165488), (5332, 124116), (7998, 82744), (10343, 63984), (10664, 62058), (15996, 41372), (20686, 31992), (21328, 31029)]