1520768080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{39521}}^1$

素因数の和:39584

約数の個数: 80

約数和(自身を含む): 3910780944

約数和(自身を除く): 2390012864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 39521, 79042, 158084, 197605, 316168, 395210, 513773, 632336, 790420, 1027546, 1462277, 1580840, 2055092, 2568865, 2924554, 3161680, 4110184, 5137730, 5849108, 7311385, 8220368, 10275460, 11698216, 14622770, 19009601, 20550920, 23396432, 29245540, 38019202, 41101840, 58491080, 76038404, 95048005, 116982160, 152076808, 190096010, 304153616, 380192020, 760384040, 1520768080]

約数ペア:

[(1, 1520768080), (2, 760384040), (4, 380192020), (5, 304153616), (8, 190096010), (10, 152076808), (13, 116982160), (16, 95048005), (20, 76038404), (26, 58491080), (37, 41101840), (40, 38019202), (52, 29245540), (65, 23396432), (74, 20550920), (80, 19009601), (104, 14622770), (130, 11698216), (148, 10275460), (185, 8220368), (208, 7311385), (260, 5849108), (296, 5137730), (370, 4110184), (481, 3161680), (520, 2924554), (592, 2568865), (740, 2055092), (962, 1580840), (1040, 1462277), (1480, 1027546), (1924, 790420), (2405, 632336), (2960, 513773), (3848, 395210), (4810, 316168), (7696, 197605), (9620, 158084), (19240, 79042), (38480, 39521)]