1491402420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{135829}}^1$

素因数の和:135905

約数の個数: 72

約数和(自身を含む): 4598117160

約数和(自身を除く): 3106714740

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, 135829, 271658, 407487, 543316, 679145, 814974, 1222461, 1358290, 1629948, 2037435, 2444922, 2716580, 4074870, 4889844, 6112305, 8149740, 8285569, 12224610, 16571138, 24449220, 24856707, 33142276, 41427845, 49713414, 74570121, 82855690, 99426828, 124283535, 149140242, 165711380, 248567070, 298280484, 372850605, 497134140, 745701210, 1491402420]

約数ペア:

[(1, 1491402420), (2, 745701210), (3, 497134140), (4, 372850605), (5, 298280484), (6, 248567070), (9, 165711380), (10, 149140242), (12, 124283535), (15, 99426828), (18, 82855690), (20, 74570121), (30, 49713414), (36, 41427845), (45, 33142276), (60, 24856707), (61, 24449220), (90, 16571138), (122, 12224610), (180, 8285569), (183, 8149740), (244, 6112305), (305, 4889844), (366, 4074870), (549, 2716580), (610, 2444922), (732, 2037435), (915, 1629948), (1098, 1358290), (1220, 1222461), (1830, 814974), (2196, 679145), (2745, 543316), (3660, 407487), (5490, 271658), (10980, 135829)]