311122140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15761}}^1$

素因数の和:15827

約数の個数: 96

約数和(自身を含む): 1016838144

約数和(自身を除く): 705716004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 15761, 19740, 31522, 47283, 63044, 78805, 94566, 110327, 157610, 189132, 220654, 236415, 315220, 330981, 441308, 472830, 551635, 661962, 740767, 945660, 1103270, 1323924, 1481534, 1654905, 2206540, 2222301, 2963068, 3309810, 3703835, 4444602, 5185369, 6619620, 7407670, 8889204, 10370738, 11111505, 14815340, 15556107, 20741476, 22223010, 25926845, 31112214, 44446020, 51853690, 62224428, 77780535, 103707380, 155561070, 311122140]

約数ペア:

[(1, 311122140), (2, 155561070), (3, 103707380), (4, 77780535), (5, 62224428), (6, 51853690), (7, 44446020), (10, 31112214), (12, 25926845), (14, 22223010), (15, 20741476), (20, 15556107), (21, 14815340), (28, 11111505), (30, 10370738), (35, 8889204), (42, 7407670), (47, 6619620), (60, 5185369), (70, 4444602), (84, 3703835), (94, 3309810), (105, 2963068), (140, 2222301), (141, 2206540), (188, 1654905), (210, 1481534), (235, 1323924), (282, 1103270), (329, 945660), (420, 740767), (470, 661962), (564, 551635), (658, 472830), (705, 441308), (940, 330981), (987, 315220), (1316, 236415), (1410, 220654), (1645, 189132), (1974, 157610), (2820, 110327), (3290, 94566), (3948, 78805), (4935, 63044), (6580, 47283), (9870, 31522), (15761, 19740)]