320844920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2203}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 790266240

約数和(自身を除く): 469421320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1324, 1655, 2203, 2648, 3310, 3641, 4406, 6620, 7282, 8812, 11015, 13240, 14564, 17624, 18205, 22030, 24233, 29128, 36410, 44060, 48466, 72820, 88120, 96932, 121165, 145640, 193864, 242330, 484660, 729193, 969320, 1458386, 2916772, 3645965, 5833544, 7291930, 8021123, 14583860, 16042246, 29167720, 32084492, 40105615, 64168984, 80211230, 160422460, 320844920]

約数ペア:

[(1, 320844920), (2, 160422460), (4, 80211230), (5, 64168984), (8, 40105615), (10, 32084492), (11, 29167720), (20, 16042246), (22, 14583860), (40, 8021123), (44, 7291930), (55, 5833544), (88, 3645965), (110, 2916772), (220, 1458386), (331, 969320), (440, 729193), (662, 484660), (1324, 242330), (1655, 193864), (2203, 145640), (2648, 121165), (3310, 96932), (3641, 88120), (4406, 72820), (6620, 48466), (7282, 44060), (8812, 36410), (11015, 29128), (13240, 24233), (14564, 22030), (17624, 18205)]