820116

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 2402400

約数和(自身を除く): 1582284

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 109, 114, 132, 171, 198, 209, 218, 228, 327, 342, 396, 418, 436, 627, 654, 684, 836, 981, 1199, 1254, 1308, 1881, 1962, 2071, 2398, 2508, 3597, 3762, 3924, 4142, 4796, 6213, 7194, 7524, 8284, 10791, 12426, 14388, 18639, 21582, 22781, 24852, 37278, 43164, 45562, 68343, 74556, 91124, 136686, 205029, 273372, 410058, 820116]

約数ペア:

[(1, 820116), (2, 410058), (3, 273372), (4, 205029), (6, 136686), (9, 91124), (11, 74556), (12, 68343), (18, 45562), (19, 43164), (22, 37278), (33, 24852), (36, 22781), (38, 21582), (44, 18639), (57, 14388), (66, 12426), (76, 10791), (99, 8284), (109, 7524), (114, 7194), (132, 6213), (171, 4796), (198, 4142), (209, 3924), (218, 3762), (228, 3597), (327, 2508), (342, 2398), (396, 2071), (418, 1962), (436, 1881), (627, 1308), (654, 1254), (684, 1199), (836, 981)]