15672970640

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1\times {\mathrm{1097}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 36663010560

約数和(自身を除く): 20990039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 659, 1084, 1097, 1318, 1355, 2168, 2194, 2636, 2710, 3295, 4336, 4388, 5272, 5420, 5485, 6590, 8776, 10544, 10840, 10970, 13180, 17552, 21680, 21940, 26360, 43880, 52720, 87760, 178589, 297287, 357178, 594574, 714356, 722923, 892945, 1189148, 1428712, 1445846, 1486435, 1785890, 2378296, 2857424, 2891692, 2972870, 3571780, 3614615, 4756592, 5783384, 5945740, 7143560, 7229230, 11566768, 11891480, 14287120, 14458460, 23782960, 28916920, 57833840, 195912133, 391824266, 783648532, 979560665, 1567297064, 1959121330, 3134594128, 3918242660, 7836485320, 15672970640]

約数ペア:

[(1, 15672970640), (2, 7836485320), (4, 3918242660), (5, 3134594128), (8, 1959121330), (10, 1567297064), (16, 979560665), (20, 783648532), (40, 391824266), (80, 195912133), (271, 57833840), (542, 28916920), (659, 23782960), (1084, 14458460), (1097, 14287120), (1318, 11891480), (1355, 11566768), (2168, 7229230), (2194, 7143560), (2636, 5945740), (2710, 5783384), (3295, 4756592), (4336, 3614615), (4388, 3571780), (5272, 2972870), (5420, 2891692), (5485, 2857424), (6590, 2378296), (8776, 1785890), (10544, 1486435), (10840, 1445846), (10970, 1428712), (13180, 1189148), (17552, 892945), (21680, 722923), (21940, 714356), (26360, 594574), (43880, 357178), (52720, 297287), (87760, 178589)]