312828870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 771876864

約数和(自身を除く): 459047994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 281, 430, 562, 645, 843, 863, 1290, 1405, 1686, 1726, 2589, 2810, 4215, 4315, 5178, 8430, 8630, 12083, 12945, 24166, 25890, 36249, 37109, 60415, 72498, 74218, 111327, 120830, 181245, 185545, 222654, 242503, 362490, 371090, 485006, 556635, 727509, 1113270, 1212515, 1455018, 2425030, 3637545, 7275090, 10427629, 20855258, 31282887, 52138145, 62565774, 104276290, 156414435, 312828870]

約数ペア:

[(1, 312828870), (2, 156414435), (3, 104276290), (5, 62565774), (6, 52138145), (10, 31282887), (15, 20855258), (30, 10427629), (43, 7275090), (86, 3637545), (129, 2425030), (215, 1455018), (258, 1212515), (281, 1113270), (430, 727509), (562, 556635), (645, 485006), (843, 371090), (863, 362490), (1290, 242503), (1405, 222654), (1686, 185545), (1726, 181245), (2589, 120830), (2810, 111327), (4215, 74218), (4315, 72498), (5178, 60415), (8430, 37109), (8630, 36249), (12083, 25890), (12945, 24166)]