684871520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251791}}^1$

素因数の和:251823

約数の個数: 48

約数和(自身を含む): 1713192768

約数和(自身を除く): 1028321248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 251791, 503582, 1007164, 1258955, 2014328, 2517910, 4028656, 4280447, 5035820, 8057312, 8560894, 10071640, 17121788, 20143280, 21402235, 34243576, 40286560, 42804470, 68487152, 85608940, 136974304, 171217880, 342435760, 684871520]

約数ペア:

[(1, 684871520), (2, 342435760), (4, 171217880), (5, 136974304), (8, 85608940), (10, 68487152), (16, 42804470), (17, 40286560), (20, 34243576), (32, 21402235), (34, 20143280), (40, 17121788), (68, 10071640), (80, 8560894), (85, 8057312), (136, 5035820), (160, 4280447), (170, 4028656), (272, 2517910), (340, 2014328), (544, 1258955), (680, 1007164), (1360, 503582), (2720, 251791)]