897710320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1399}}^1$

素因数の和:2042

約数の個数: 80

約数和(自身を含む): 2252980800

約数和(自身を除く): 1355270480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 617, 1040, 1234, 1399, 2468, 2798, 3085, 4936, 5596, 6170, 6995, 8021, 9872, 11192, 12340, 13990, 16042, 18187, 22384, 24680, 27980, 32084, 36374, 40105, 49360, 55960, 64168, 72748, 80210, 90935, 111920, 128336, 145496, 160420, 181870, 290992, 320840, 363740, 641680, 727480, 863183, 1454960, 1726366, 3452732, 4315915, 6905464, 8631830, 11221379, 13810928, 17263660, 22442758, 34527320, 44885516, 56106895, 69054640, 89771032, 112213790, 179542064, 224427580, 448855160, 897710320]

約数ペア:

[(1, 897710320), (2, 448855160), (4, 224427580), (5, 179542064), (8, 112213790), (10, 89771032), (13, 69054640), (16, 56106895), (20, 44885516), (26, 34527320), (40, 22442758), (52, 17263660), (65, 13810928), (80, 11221379), (104, 8631830), (130, 6905464), (208, 4315915), (260, 3452732), (520, 1726366), (617, 1454960), (1040, 863183), (1234, 727480), (1399, 641680), (2468, 363740), (2798, 320840), (3085, 290992), (4936, 181870), (5596, 160420), (6170, 145496), (6995, 128336), (8021, 111920), (9872, 90935), (11192, 80210), (12340, 72748), (13990, 64168), (16042, 55960), (18187, 49360), (22384, 40105), (24680, 36374), (27980, 32084)]