15921960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 48038400

約数和(自身を除く): 32116440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 479, 554, 831, 958, 1108, 1385, 1437, 1662, 1916, 2216, 2395, 2770, 2874, 3324, 3832, 4155, 4790, 5540, 5748, 6648, 7185, 8310, 9580, 11080, 11496, 14370, 16620, 19160, 28740, 33240, 57480, 132683, 265366, 398049, 530732, 663415, 796098, 1061464, 1326830, 1592196, 1990245, 2653660, 3184392, 3980490, 5307320, 7960980, 15921960]

約数ペア:

[(1, 15921960), (2, 7960980), (3, 5307320), (4, 3980490), (5, 3184392), (6, 2653660), (8, 1990245), (10, 1592196), (12, 1326830), (15, 1061464), (20, 796098), (24, 663415), (30, 530732), (40, 398049), (60, 265366), (120, 132683), (277, 57480), (479, 33240), (554, 28740), (831, 19160), (958, 16620), (1108, 14370), (1385, 11496), (1437, 11080), (1662, 9580), (1916, 8310), (2216, 7185), (2395, 6648), (2770, 5748), (2874, 5540), (3324, 4790), (3832, 4155)]