2819960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 128

約数和(自身を含む): 8164800

約数和(自身を除く): 5344840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 29, 34, 40, 44, 52, 55, 58, 65, 68, 85, 88, 104, 110, 116, 130, 136, 143, 145, 170, 187, 220, 221, 232, 260, 286, 290, 319, 340, 374, 377, 440, 442, 493, 520, 572, 580, 638, 680, 715, 748, 754, 884, 935, 986, 1105, 1144, 1160, 1276, 1430, 1496, 1508, 1595, 1768, 1870, 1885, 1972, 2210, 2431, 2465, 2552, 2860, 3016, 3190, 3740, 3770, 3944, 4147, 4420, 4862, 4930, 5423, 5720, 6380, 6409, 7480, 7540, 8294, 8840, 9724, 9860, 10846, 12155, 12760, 12818, 15080, 16588, 19448, 19720, 20735, 21692, 24310, 25636, 27115, 32045, 33176, 41470, 43384, 48620, 51272, 54230, 64090, 70499, 82940, 97240, 108460, 128180, 140998, 165880, 216920, 256360, 281996, 352495, 563992, 704990, 1409980, 2819960]

約数ペア:

[(1, 2819960), (2, 1409980), (4, 704990), (5, 563992), (8, 352495), (10, 281996), (11, 256360), (13, 216920), (17, 165880), (20, 140998), (22, 128180), (26, 108460), (29, 97240), (34, 82940), (40, 70499), (44, 64090), (52, 54230), (55, 51272), (58, 48620), (65, 43384), (68, 41470), (85, 33176), (88, 32045), (104, 27115), (110, 25636), (116, 24310), (130, 21692), (136, 20735), (143, 19720), (145, 19448), (170, 16588), (187, 15080), (220, 12818), (221, 12760), (232, 12155), (260, 10846), (286, 9860), (290, 9724), (319, 8840), (340, 8294), (374, 7540), (377, 7480), (440, 6409), (442, 6380), (493, 5720), (520, 5423), (572, 4930), (580, 4862), (638, 4420), (680, 4147), (715, 3944), (748, 3770), (754, 3740), (884, 3190), (935, 3016), (986, 2860), (1105, 2552), (1144, 2465), (1160, 2431), (1276, 2210), (1430, 1972), (1496, 1885), (1508, 1870), (1595, 1768)]