215348560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1868

約数の個数: 80

約数和(自身を含む): 574963200

約数和(自身を除く): 359614640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1195, 1609, 1673, 1912, 2390, 3218, 3346, 3824, 4780, 6436, 6692, 8045, 8365, 9560, 11263, 12872, 13384, 16090, 16730, 19120, 22526, 25744, 26768, 32180, 33460, 45052, 56315, 64360, 66920, 90104, 112630, 128720, 133840, 180208, 225260, 384551, 450520, 769102, 901040, 1538204, 1922755, 2691857, 3076408, 3845510, 5383714, 6152816, 7691020, 10767428, 13459285, 15382040, 21534856, 26918570, 30764080, 43069712, 53837140, 107674280, 215348560]

約数ペア:

[(1, 215348560), (2, 107674280), (4, 53837140), (5, 43069712), (7, 30764080), (8, 26918570), (10, 21534856), (14, 15382040), (16, 13459285), (20, 10767428), (28, 7691020), (35, 6152816), (40, 5383714), (56, 3845510), (70, 3076408), (80, 2691857), (112, 1922755), (140, 1538204), (239, 901040), (280, 769102), (478, 450520), (560, 384551), (956, 225260), (1195, 180208), (1609, 133840), (1673, 128720), (1912, 112630), (2390, 90104), (3218, 66920), (3346, 64360), (3824, 56315), (4780, 45052), (6436, 33460), (6692, 32180), (8045, 26768), (8365, 25744), (9560, 22526), (11263, 19120), (12872, 16730), (13384, 16090)]