670168720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2099}}^1$

素因数の和:2432

約数の個数: 80

約数和(自身を含む): 1684267200

約数和(自身を除く): 1014098480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 307, 520, 614, 1040, 1228, 1535, 2099, 2456, 3070, 3991, 4198, 4912, 6140, 7982, 8396, 10495, 12280, 15964, 16792, 19955, 20990, 24560, 27287, 31928, 33584, 39910, 41980, 54574, 63856, 79820, 83960, 109148, 136435, 159640, 167920, 218296, 272870, 319280, 436592, 545740, 644393, 1091480, 1288786, 2182960, 2577572, 3221965, 5155144, 6443930, 8377109, 10310288, 12887860, 16754218, 25775720, 33508436, 41885545, 51551440, 67016872, 83771090, 134033744, 167542180, 335084360, 670168720]

約数ペア:

[(1, 670168720), (2, 335084360), (4, 167542180), (5, 134033744), (8, 83771090), (10, 67016872), (13, 51551440), (16, 41885545), (20, 33508436), (26, 25775720), (40, 16754218), (52, 12887860), (65, 10310288), (80, 8377109), (104, 6443930), (130, 5155144), (208, 3221965), (260, 2577572), (307, 2182960), (520, 1288786), (614, 1091480), (1040, 644393), (1228, 545740), (1535, 436592), (2099, 319280), (2456, 272870), (3070, 218296), (3991, 167920), (4198, 159640), (4912, 136435), (6140, 109148), (7982, 83960), (8396, 79820), (10495, 63856), (12280, 54574), (15964, 41980), (16792, 39910), (19955, 33584), (20990, 31928), (24560, 27287)]