308753820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3581}}^1$

素因数の和:4075

約数の個数: 72

約数和(自身を含む): 938770560

約数和(自身を除く): 630016740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1916, 2395, 2874, 3581, 4311, 4790, 5748, 7162, 7185, 8622, 9580, 10743, 14324, 14370, 17244, 17905, 21486, 21555, 28740, 32229, 35810, 42972, 43110, 53715, 64458, 71620, 86220, 107430, 128916, 161145, 214860, 322290, 644580, 1715299, 3430598, 5145897, 6861196, 8576495, 10291794, 15437691, 17152990, 20583588, 25729485, 30875382, 34305980, 51458970, 61750764, 77188455, 102917940, 154376910, 308753820]

約数ペア:

[(1, 308753820), (2, 154376910), (3, 102917940), (4, 77188455), (5, 61750764), (6, 51458970), (9, 34305980), (10, 30875382), (12, 25729485), (15, 20583588), (18, 17152990), (20, 15437691), (30, 10291794), (36, 8576495), (45, 6861196), (60, 5145897), (90, 3430598), (180, 1715299), (479, 644580), (958, 322290), (1437, 214860), (1916, 161145), (2395, 128916), (2874, 107430), (3581, 86220), (4311, 71620), (4790, 64458), (5748, 53715), (7162, 43110), (7185, 42972), (8622, 35810), (9580, 32229), (10743, 28740), (14324, 21555), (14370, 21486), (17244, 17905)]