1220927080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1783}}^1$

素因数の和:1883

約数の個数: 128

約数和(自身を含む): 3121286400

約数和(自身を除く): 1900359320

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 53, 68, 76, 85, 95, 106, 136, 152, 170, 190, 212, 265, 323, 340, 380, 424, 530, 646, 680, 760, 901, 1007, 1060, 1292, 1615, 1783, 1802, 2014, 2120, 2584, 3230, 3566, 3604, 4028, 4505, 5035, 6460, 7132, 7208, 8056, 8915, 9010, 10070, 12920, 14264, 17119, 17830, 18020, 20140, 30311, 33877, 34238, 35660, 36040, 40280, 60622, 67754, 68476, 71320, 85595, 94499, 121244, 135508, 136952, 151555, 169385, 171190, 188998, 242488, 271016, 303110, 338770, 342380, 377996, 472495, 575909, 606220, 677540, 684760, 755992, 944990, 1151818, 1212440, 1355080, 1606483, 1795481, 1889980, 2303636, 2879545, 3212966, 3590962, 3779960, 4607272, 5759090, 6425932, 7181924, 8032415, 8977405, 11518180, 12851864, 14363848, 16064830, 17954810, 23036360, 30523177, 32129660, 35909620, 61046354, 64259320, 71819240, 122092708, 152615885, 244185416, 305231770, 610463540, 1220927080]

約数ペア:

[(1, 1220927080), (2, 610463540), (4, 305231770), (5, 244185416), (8, 152615885), (10, 122092708), (17, 71819240), (19, 64259320), (20, 61046354), (34, 35909620), (38, 32129660), (40, 30523177), (53, 23036360), (68, 17954810), (76, 16064830), (85, 14363848), (95, 12851864), (106, 11518180), (136, 8977405), (152, 8032415), (170, 7181924), (190, 6425932), (212, 5759090), (265, 4607272), (323, 3779960), (340, 3590962), (380, 3212966), (424, 2879545), (530, 2303636), (646, 1889980), (680, 1795481), (760, 1606483), (901, 1355080), (1007, 1212440), (1060, 1151818), (1292, 944990), (1615, 755992), (1783, 684760), (1802, 677540), (2014, 606220), (2120, 575909), (2584, 472495), (3230, 377996), (3566, 342380), (3604, 338770), (4028, 303110), (4505, 271016), (5035, 242488), (6460, 188998), (7132, 171190), (7208, 169385), (8056, 151555), (8915, 136952), (9010, 135508), (10070, 121244), (12920, 94499), (14264, 85595), (17119, 71320), (17830, 68476), (18020, 67754), (20140, 60622), (30311, 40280), (33877, 36040), (34238, 35660)]