20080710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 80

約数和(自身を含む): 58178736

約数和(自身を除く): 38098026

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1907, 2106, 3510, 3814, 5265, 5721, 9535, 10530, 11442, 17163, 19070, 24791, 28605, 34326, 49582, 51489, 57210, 74373, 85815, 102978, 123955, 148746, 154467, 171630, 223119, 247910, 257445, 308934, 371865, 446238, 514890, 669357, 743730, 772335, 1115595, 1338714, 1544670, 2008071, 2231190, 3346785, 4016142, 6693570, 10040355, 20080710]

約数ペア:

[(1, 20080710), (2, 10040355), (3, 6693570), (5, 4016142), (6, 3346785), (9, 2231190), (10, 2008071), (13, 1544670), (15, 1338714), (18, 1115595), (26, 772335), (27, 743730), (30, 669357), (39, 514890), (45, 446238), (54, 371865), (65, 308934), (78, 257445), (81, 247910), (90, 223119), (117, 171630), (130, 154467), (135, 148746), (162, 123955), (195, 102978), (234, 85815), (270, 74373), (351, 57210), (390, 51489), (405, 49582), (585, 34326), (702, 28605), (810, 24791), (1053, 19070), (1170, 17163), (1755, 11442), (1907, 10530), (2106, 9535), (3510, 5721), (3814, 5265)]