770571920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1279}}^1$

素因数の和:1752

約数の個数: 80

約数和(自身を含む): 1902735360

約数和(自身を除く): 1132163440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 443, 680, 886, 1279, 1360, 1772, 2215, 2558, 3544, 4430, 5116, 6395, 7088, 7531, 8860, 10232, 12790, 15062, 17720, 20464, 21743, 25580, 30124, 35440, 37655, 43486, 51160, 60248, 75310, 86972, 102320, 108715, 120496, 150620, 173944, 217430, 301240, 347888, 434860, 566597, 602480, 869720, 1133194, 1739440, 2266388, 2832985, 4532776, 5665970, 9065552, 9632149, 11331940, 19264298, 22663880, 38528596, 45327760, 48160745, 77057192, 96321490, 154114384, 192642980, 385285960, 770571920]

約数ペア:

[(1, 770571920), (2, 385285960), (4, 192642980), (5, 154114384), (8, 96321490), (10, 77057192), (16, 48160745), (17, 45327760), (20, 38528596), (34, 22663880), (40, 19264298), (68, 11331940), (80, 9632149), (85, 9065552), (136, 5665970), (170, 4532776), (272, 2832985), (340, 2266388), (443, 1739440), (680, 1133194), (886, 869720), (1279, 602480), (1360, 566597), (1772, 434860), (2215, 347888), (2558, 301240), (3544, 217430), (4430, 173944), (5116, 150620), (6395, 120496), (7088, 108715), (7531, 102320), (8860, 86972), (10232, 75310), (12790, 60248), (15062, 51160), (17720, 43486), (20464, 37655), (21743, 35440), (25580, 30124)]