23257980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 71084832

約数和(自身を除く): 47826852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 823, 942, 1413, 1570, 1646, 1884, 2355, 2469, 2826, 3140, 3292, 4115, 4710, 4938, 5652, 7065, 7407, 8230, 9420, 9876, 12345, 14130, 14814, 16460, 24690, 28260, 29628, 37035, 49380, 74070, 129211, 148140, 258422, 387633, 516844, 646055, 775266, 1162899, 1292110, 1550532, 1938165, 2325798, 2584220, 3876330, 4651596, 5814495, 7752660, 11628990, 23257980]

約数ペア:

[(1, 23257980), (2, 11628990), (3, 7752660), (4, 5814495), (5, 4651596), (6, 3876330), (9, 2584220), (10, 2325798), (12, 1938165), (15, 1550532), (18, 1292110), (20, 1162899), (30, 775266), (36, 646055), (45, 516844), (60, 387633), (90, 258422), (157, 148140), (180, 129211), (314, 74070), (471, 49380), (628, 37035), (785, 29628), (823, 28260), (942, 24690), (1413, 16460), (1570, 14814), (1646, 14130), (1884, 12345), (2355, 9876), (2469, 9420), (2826, 8230), (3140, 7407), (3292, 7065), (4115, 5652), (4710, 4938)]