131419620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11969}}^1$

素因数の和:12045

約数の個数: 72

約数和(自身を含む): 405208440

約数和(自身を除く): 273788820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11969, 23938, 35907, 47876, 59845, 71814, 107721, 119690, 143628, 179535, 215442, 239380, 359070, 430884, 538605, 718140, 730109, 1077210, 1460218, 2154420, 2190327, 2920436, 3650545, 4380654, 6570981, 7301090, 8761308, 10951635, 13141962, 14602180, 21903270, 26283924, 32854905, 43806540, 65709810, 131419620]

約数ペア:

[(1, 131419620), (2, 65709810), (3, 43806540), (4, 32854905), (5, 26283924), (6, 21903270), (9, 14602180), (10, 13141962), (12, 10951635), (15, 8761308), (18, 7301090), (20, 6570981), (30, 4380654), (36, 3650545), (45, 2920436), (60, 2190327), (61, 2154420), (90, 1460218), (122, 1077210), (180, 730109), (183, 718140), (244, 538605), (305, 430884), (366, 359070), (549, 239380), (610, 215442), (732, 179535), (915, 143628), (1098, 119690), (1220, 107721), (1830, 71814), (2196, 59845), (2745, 47876), (3660, 35907), (5490, 23938), (10980, 11969)]