1640894970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{382493}}^1$

素因数の和:382527

約数の個数: 64

約数和(自身を含む): 4626647424

約数和(自身を除く): 2985752454

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 382493, 764986, 1147479, 1912465, 2294958, 3824930, 4207423, 4972409, 5737395, 8414846, 9944818, 11474790, 12622269, 14917227, 21037115, 24862045, 25244538, 29834454, 42074230, 49724090, 54696499, 63111345, 74586135, 109392998, 126222690, 149172270, 164089497, 273482495, 328178994, 546964990, 820447485, 1640894970]

約数ペア:

[(1, 1640894970), (2, 820447485), (3, 546964990), (5, 328178994), (6, 273482495), (10, 164089497), (11, 149172270), (13, 126222690), (15, 109392998), (22, 74586135), (26, 63111345), (30, 54696499), (33, 49724090), (39, 42074230), (55, 29834454), (65, 25244538), (66, 24862045), (78, 21037115), (110, 14917227), (130, 12622269), (143, 11474790), (165, 9944818), (195, 8414846), (286, 5737395), (330, 4972409), (390, 4207423), (429, 3824930), (715, 2294958), (858, 1912465), (1430, 1147479), (2145, 764986), (4290, 382493)]