64989960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{77369}}^1$

素因数の和:77390

約数の個数: 64

約数和(自身を含む): 222825600

約数和(自身を除く): 157835640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 77369, 154738, 232107, 309476, 386845, 464214, 541583, 618952, 773690, 928428, 1083166, 1160535, 1547380, 1624749, 1856856, 2166332, 2321070, 2707915, 3094760, 3249498, 4332664, 4642140, 5415830, 6498996, 8123745, 9284280, 10831660, 12997992, 16247490, 21663320, 32494980, 64989960]

約数ペア:

[(1, 64989960), (2, 32494980), (3, 21663320), (4, 16247490), (5, 12997992), (6, 10831660), (7, 9284280), (8, 8123745), (10, 6498996), (12, 5415830), (14, 4642140), (15, 4332664), (20, 3249498), (21, 3094760), (24, 2707915), (28, 2321070), (30, 2166332), (35, 1856856), (40, 1624749), (42, 1547380), (56, 1160535), (60, 1083166), (70, 928428), (84, 773690), (105, 618952), (120, 541583), (140, 464214), (168, 386845), (210, 309476), (280, 232107), (420, 154738), (840, 77369)]