15509780

素因数分解:

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

素因数の和:90

約数の個数: 144

約数和(自身を含む): 42230160

約数和(自身を除く): 26720380

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 29, 34, 44, 52, 55, 58, 65, 68, 85, 110, 116, 121, 130, 143, 145, 170, 187, 220, 221, 242, 260, 286, 290, 319, 340, 374, 377, 442, 484, 493, 572, 580, 605, 638, 715, 748, 754, 884, 935, 986, 1105, 1210, 1276, 1430, 1508, 1573, 1595, 1870, 1885, 1972, 2057, 2210, 2420, 2431, 2465, 2860, 3146, 3190, 3509, 3740, 3770, 4114, 4147, 4420, 4862, 4930, 5423, 6292, 6380, 6409, 7018, 7540, 7865, 8228, 8294, 9724, 9860, 10285, 10846, 12155, 12818, 14036, 15730, 16588, 17545, 20570, 20735, 21692, 24310, 25636, 26741, 27115, 31460, 32045, 35090, 41140, 41470, 45617, 48620, 53482, 54230, 59653, 64090, 70180, 70499, 82940, 91234, 106964, 108460, 119306, 128180, 133705, 140998, 182468, 228085, 238612, 267410, 281996, 298265, 352495, 456170, 534820, 596530, 704990, 775489, 912340, 1193060, 1409980, 1550978, 3101956, 3877445, 7754890, 15509780]

約数ペア:

[(1, 15509780), (2, 7754890), (4, 3877445), (5, 3101956), (10, 1550978), (11, 1409980), (13, 1193060), (17, 912340), (20, 775489), (22, 704990), (26, 596530), (29, 534820), (34, 456170), (44, 352495), (52, 298265), (55, 281996), (58, 267410), (65, 238612), (68, 228085), (85, 182468), (110, 140998), (116, 133705), (121, 128180), (130, 119306), (143, 108460), (145, 106964), (170, 91234), (187, 82940), (220, 70499), (221, 70180), (242, 64090), (260, 59653), (286, 54230), (290, 53482), (319, 48620), (340, 45617), (374, 41470), (377, 41140), (442, 35090), (484, 32045), (493, 31460), (572, 27115), (580, 26741), (605, 25636), (638, 24310), (715, 21692), (748, 20735), (754, 20570), (884, 17545), (935, 16588), (986, 15730), (1105, 14036), (1210, 12818), (1276, 12155), (1430, 10846), (1508, 10285), (1573, 9860), (1595, 9724), (1870, 8294), (1885, 8228), (1972, 7865), (2057, 7540), (2210, 7018), (2420, 6409), (2431, 6380), (2465, 6292), (2860, 5423), (3146, 4930), (3190, 4862), (3509, 4420), (3740, 4147), (3770, 4114)]