2168157040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{2999}}^1$

素因数の和:4310

約数の個数: 80

約数和(自身を含む): 5767488000

約数和(自身を除く): 3599330960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1291, 2582, 2999, 5164, 5998, 6455, 9037, 10328, 11996, 12910, 14995, 18074, 20656, 20993, 23992, 25820, 29990, 36148, 41986, 45185, 47984, 51640, 59980, 72296, 83972, 90370, 103280, 104965, 119960, 144592, 167944, 180740, 209930, 239920, 335888, 361480, 419860, 722960, 839720, 1679440, 3871709, 7743418, 15486836, 19358545, 27101963, 30973672, 38717090, 54203926, 61947344, 77434180, 108407852, 135509815, 154868360, 216815704, 271019630, 309736720, 433631408, 542039260, 1084078520, 2168157040]

約数ペア:

[(1, 2168157040), (2, 1084078520), (4, 542039260), (5, 433631408), (7, 309736720), (8, 271019630), (10, 216815704), (14, 154868360), (16, 135509815), (20, 108407852), (28, 77434180), (35, 61947344), (40, 54203926), (56, 38717090), (70, 30973672), (80, 27101963), (112, 19358545), (140, 15486836), (280, 7743418), (560, 3871709), (1291, 1679440), (2582, 839720), (2999, 722960), (5164, 419860), (5998, 361480), (6455, 335888), (9037, 239920), (10328, 209930), (11996, 180740), (12910, 167944), (14995, 144592), (18074, 119960), (20656, 104965), (20993, 103280), (23992, 90370), (25820, 83972), (29990, 72296), (36148, 59980), (41986, 51640), (45185, 47984)]