30931458

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 37497342

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 59, 69, 87, 118, 131, 138, 174, 177, 262, 354, 393, 667, 786, 1334, 1357, 1711, 2001, 2714, 3013, 3422, 3799, 4002, 4071, 5133, 6026, 7598, 7729, 8142, 9039, 10266, 11397, 15458, 18078, 22794, 23187, 39353, 46374, 78706, 87377, 118059, 174754, 177767, 224141, 236118, 262131, 355534, 448282, 524262, 533301, 672423, 1066602, 1344846, 5155243, 10310486, 15465729, 30931458]

約数ペア:

[(1, 30931458), (2, 15465729), (3, 10310486), (6, 5155243), (23, 1344846), (29, 1066602), (46, 672423), (58, 533301), (59, 524262), (69, 448282), (87, 355534), (118, 262131), (131, 236118), (138, 224141), (174, 177767), (177, 174754), (262, 118059), (354, 87377), (393, 78706), (667, 46374), (786, 39353), (1334, 23187), (1357, 22794), (1711, 18078), (2001, 15458), (2714, 11397), (3013, 10266), (3422, 9039), (3799, 8142), (4002, 7729), (4071, 7598), (5133, 6026)]