21985223280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{158761}}^1$

素因数の和:159354

約数の個数: 80

約数和(自身を含む): 68272740384

約数和(自身を除く): 46287517104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577, 1154, 1731, 2308, 2885, 3462, 4616, 5770, 6924, 8655, 9232, 11540, 13848, 17310, 23080, 27696, 34620, 46160, 69240, 138480, 158761, 317522, 476283, 635044, 793805, 952566, 1270088, 1587610, 1905132, 2381415, 2540176, 3175220, 3810264, 4762830, 6350440, 7620528, 9525660, 12700880, 19051320, 38102640, 91605097, 183210194, 274815291, 366420388, 458025485, 549630582, 732840776, 916050970, 1099261164, 1374076455, 1465681552, 1832101940, 2198522328, 2748152910, 3664203880, 4397044656, 5496305820, 7328407760, 10992611640, 21985223280]

約数ペア:

[(1, 21985223280), (2, 10992611640), (3, 7328407760), (4, 5496305820), (5, 4397044656), (6, 3664203880), (8, 2748152910), (10, 2198522328), (12, 1832101940), (15, 1465681552), (16, 1374076455), (20, 1099261164), (24, 916050970), (30, 732840776), (40, 549630582), (48, 458025485), (60, 366420388), (80, 274815291), (120, 183210194), (240, 91605097), (577, 38102640), (1154, 19051320), (1731, 12700880), (2308, 9525660), (2885, 7620528), (3462, 6350440), (4616, 4762830), (5770, 3810264), (6924, 3175220), (8655, 2540176), (9232, 2381415), (11540, 1905132), (13848, 1587610), (17310, 1270088), (23080, 952566), (27696, 793805), (34620, 635044), (46160, 476283), (69240, 317522), (138480, 158761)]