128327640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 442575360

約数和(自身を除く): 314247720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 673, 681, 840, 908, 1135, 1346, 1362, 1589, 1816, 2019, 2270, 2692, 2724, 3178, 3365, 3405, 4038, 4540, 4711, 4767, 5384, 5448, 6356, 6730, 6810, 7945, 8076, 9080, 9422, 9534, 10095, 12712, 13460, 13620, 14133, 15890, 16152, 18844, 19068, 20190, 23555, 23835, 26920, 27240, 28266, 31780, 37688, 38136, 40380, 47110, 47670, 56532, 63560, 70665, 80760, 94220, 95340, 113064, 141330, 152771, 188440, 190680, 282660, 305542, 458313, 565320, 611084, 763855, 916626, 1069397, 1222168, 1527710, 1833252, 2138794, 2291565, 3055420, 3208191, 3666504, 4277588, 4583130, 5346985, 6110840, 6416382, 8555176, 9166260, 10693970, 12832764, 16040955, 18332520, 21387940, 25665528, 32081910, 42775880, 64163820, 128327640]

約数ペア:

[(1, 128327640), (2, 64163820), (3, 42775880), (4, 32081910), (5, 25665528), (6, 21387940), (7, 18332520), (8, 16040955), (10, 12832764), (12, 10693970), (14, 9166260), (15, 8555176), (20, 6416382), (21, 6110840), (24, 5346985), (28, 4583130), (30, 4277588), (35, 3666504), (40, 3208191), (42, 3055420), (56, 2291565), (60, 2138794), (70, 1833252), (84, 1527710), (105, 1222168), (120, 1069397), (140, 916626), (168, 763855), (210, 611084), (227, 565320), (280, 458313), (420, 305542), (454, 282660), (673, 190680), (681, 188440), (840, 152771), (908, 141330), (1135, 113064), (1346, 95340), (1362, 94220), (1589, 80760), (1816, 70665), (2019, 63560), (2270, 56532), (2692, 47670), (2724, 47110), (3178, 40380), (3365, 38136), (3405, 37688), (4038, 31780), (4540, 28266), (4711, 27240), (4767, 26920), (5384, 23835), (5448, 23555), (6356, 20190), (6730, 19068), (6810, 18844), (7945, 16152), (8076, 15890), (9080, 14133), (9422, 13620), (9534, 13460), (10095, 12712)]