30781452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 81074224

約数和(自身を除く): 50292772

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 373, 529, 598, 746, 897, 1058, 1119, 1196, 1492, 1587, 1794, 2116, 2238, 3174, 3588, 4476, 4849, 6348, 6877, 8579, 9698, 13754, 14547, 17158, 19396, 20631, 25737, 27508, 29094, 34316, 41262, 51474, 58188, 82524, 102948, 111527, 197317, 223054, 334581, 394634, 446108, 591951, 669162, 789268, 1183902, 1338324, 2367804, 2565121, 5130242, 7695363, 10260484, 15390726, 30781452]

約数ペア:

[(1, 30781452), (2, 15390726), (3, 10260484), (4, 7695363), (6, 5130242), (12, 2565121), (13, 2367804), (23, 1338324), (26, 1183902), (39, 789268), (46, 669162), (52, 591951), (69, 446108), (78, 394634), (92, 334581), (138, 223054), (156, 197317), (276, 111527), (299, 102948), (373, 82524), (529, 58188), (598, 51474), (746, 41262), (897, 34316), (1058, 29094), (1119, 27508), (1196, 25737), (1492, 20631), (1587, 19396), (1794, 17158), (2116, 14547), (2238, 13754), (3174, 9698), (3588, 8579), (4476, 6877), (4849, 6348)]