21707760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 46145040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 599, 604, 755, 906, 1198, 1208, 1510, 1797, 1812, 2265, 2396, 2416, 2995, 3020, 3594, 3624, 4530, 4792, 5990, 6040, 7188, 7248, 8985, 9060, 9584, 11980, 12080, 14376, 17970, 18120, 23960, 28752, 35940, 36240, 47920, 71880, 90449, 143760, 180898, 271347, 361796, 452245, 542694, 723592, 904490, 1085388, 1356735, 1447184, 1808980, 2170776, 2713470, 3617960, 4341552, 5426940, 7235920, 10853880, 21707760]

約数ペア:

[(1, 21707760), (2, 10853880), (3, 7235920), (4, 5426940), (5, 4341552), (6, 3617960), (8, 2713470), (10, 2170776), (12, 1808980), (15, 1447184), (16, 1356735), (20, 1085388), (24, 904490), (30, 723592), (40, 542694), (48, 452245), (60, 361796), (80, 271347), (120, 180898), (151, 143760), (240, 90449), (302, 71880), (453, 47920), (599, 36240), (604, 35940), (755, 28752), (906, 23960), (1198, 18120), (1208, 17970), (1510, 14376), (1797, 12080), (1812, 11980), (2265, 9584), (2396, 9060), (2416, 8985), (2995, 7248), (3020, 7188), (3594, 6040), (3624, 5990), (4530, 4792)]