30871542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 72011520

約数和(自身を除く): 41139978

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 481, 494, 563, 703, 741, 962, 1126, 1406, 1443, 1482, 1689, 2109, 2886, 3378, 4218, 7319, 9139, 10697, 14638, 18278, 20831, 21394, 21957, 27417, 32091, 41662, 43914, 54834, 62493, 64182, 124986, 139061, 270803, 278122, 395789, 417183, 541606, 791578, 812409, 834366, 1187367, 1624818, 2374734, 5145257, 10290514, 15435771, 30871542]

約数ペア:

[(1, 30871542), (2, 15435771), (3, 10290514), (6, 5145257), (13, 2374734), (19, 1624818), (26, 1187367), (37, 834366), (38, 812409), (39, 791578), (57, 541606), (74, 417183), (78, 395789), (111, 278122), (114, 270803), (222, 139061), (247, 124986), (481, 64182), (494, 62493), (563, 54834), (703, 43914), (741, 41662), (962, 32091), (1126, 27417), (1406, 21957), (1443, 21394), (1482, 20831), (1689, 18278), (2109, 14638), (2886, 10697), (3378, 9139), (4218, 7319)]