128705460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1233

約数の個数: 96

約数和(自身を含む): 390940032

約数和(自身を除く): 262234572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 471, 628, 780, 785, 942, 1051, 1570, 1884, 2041, 2102, 2355, 3140, 3153, 4082, 4204, 4710, 5255, 6123, 6306, 8164, 9420, 10205, 10510, 12246, 12612, 13663, 15765, 20410, 21020, 24492, 27326, 30615, 31530, 40820, 40989, 54652, 61230, 63060, 68315, 81978, 122460, 136630, 163956, 165007, 204945, 273260, 330014, 409890, 495021, 660028, 819780, 825035, 990042, 1650070, 1980084, 2145091, 2475105, 3300140, 4290182, 4950210, 6435273, 8580364, 9900420, 10725455, 12870546, 21450910, 25741092, 32176365, 42901820, 64352730, 128705460]

約数ペア:

[(1, 128705460), (2, 64352730), (3, 42901820), (4, 32176365), (5, 25741092), (6, 21450910), (10, 12870546), (12, 10725455), (13, 9900420), (15, 8580364), (20, 6435273), (26, 4950210), (30, 4290182), (39, 3300140), (52, 2475105), (60, 2145091), (65, 1980084), (78, 1650070), (130, 990042), (156, 825035), (157, 819780), (195, 660028), (260, 495021), (314, 409890), (390, 330014), (471, 273260), (628, 204945), (780, 165007), (785, 163956), (942, 136630), (1051, 122460), (1570, 81978), (1884, 68315), (2041, 63060), (2102, 61230), (2355, 54652), (3140, 40989), (3153, 40820), (4082, 31530), (4204, 30615), (4710, 27326), (5255, 24492), (6123, 21020), (6306, 20410), (8164, 15765), (9420, 13663), (10205, 12612), (10510, 12246)]