30115740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 89187840

約数和(自身を除く): 59072100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 157, 230, 276, 278, 314, 345, 417, 460, 471, 556, 628, 690, 695, 785, 834, 942, 1380, 1390, 1570, 1668, 1884, 2085, 2355, 2780, 3140, 3197, 3611, 4170, 4710, 6394, 7222, 8340, 9420, 9591, 10833, 12788, 14444, 15985, 18055, 19182, 21666, 21823, 31970, 36110, 38364, 43332, 43646, 47955, 54165, 63940, 65469, 72220, 87292, 95910, 108330, 109115, 130938, 191820, 216660, 218230, 261876, 327345, 436460, 501929, 654690, 1003858, 1309380, 1505787, 2007716, 2509645, 3011574, 5019290, 6023148, 7528935, 10038580, 15057870, 30115740]

約数ペア:

[(1, 30115740), (2, 15057870), (3, 10038580), (4, 7528935), (5, 6023148), (6, 5019290), (10, 3011574), (12, 2509645), (15, 2007716), (20, 1505787), (23, 1309380), (30, 1003858), (46, 654690), (60, 501929), (69, 436460), (92, 327345), (115, 261876), (138, 218230), (139, 216660), (157, 191820), (230, 130938), (276, 109115), (278, 108330), (314, 95910), (345, 87292), (417, 72220), (460, 65469), (471, 63940), (556, 54165), (628, 47955), (690, 43646), (695, 43332), (785, 38364), (834, 36110), (942, 31970), (1380, 21823), (1390, 21666), (1570, 19182), (1668, 18055), (1884, 15985), (2085, 14444), (2355, 12788), (2780, 10833), (3140, 9591), (3197, 9420), (3611, 8340), (4170, 7222), (4710, 6394)]