12731040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{421}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 51045120

約数和(自身を除く): 38314080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 421, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 842, 864, 945, 1008, 1080, 1120, 1260, 1263, 1440, 1512, 1680, 1684, 1890, 2016, 2105, 2160, 2520, 2526, 2947, 3024, 3360, 3368, 3780, 3789, 4210, 4320, 5040, 5052, 5894, 6048, 6315, 6736, 7560, 7578, 8420, 8841, 10080, 10104, 11367, 11788, 12630, 13472, 14735, 15120, 15156, 16840, 17682, 18945, 20208, 22734, 23576, 25260, 26523, 29470, 30240, 30312, 33680, 35364, 37890, 40416, 44205, 45468, 47152, 50520, 53046, 56835, 58940, 60624, 67360, 70728, 75780, 79569, 88410, 90936, 94304, 101040, 106092, 113670, 117880, 121248, 132615, 141456, 151560, 159138, 176820, 181872, 202080, 212184, 227340, 235760, 265230, 282912, 303120, 318276, 353640, 363744, 397845, 424368, 454680, 471520, 530460, 606240, 636552, 707280, 795690, 848736, 909360, 1060920, 1273104, 1414560, 1591380, 1818720, 2121840, 2546208, 3182760, 4243680, 6365520, 12731040]

約数ペア:

[(1, 12731040), (2, 6365520), (3, 4243680), (4, 3182760), (5, 2546208), (6, 2121840), (7, 1818720), (8, 1591380), (9, 1414560), (10, 1273104), (12, 1060920), (14, 909360), (15, 848736), (16, 795690), (18, 707280), (20, 636552), (21, 606240), (24, 530460), (27, 471520), (28, 454680), (30, 424368), (32, 397845), (35, 363744), (36, 353640), (40, 318276), (42, 303120), (45, 282912), (48, 265230), (54, 235760), (56, 227340), (60, 212184), (63, 202080), (70, 181872), (72, 176820), (80, 159138), (84, 151560), (90, 141456), (96, 132615), (105, 121248), (108, 117880), (112, 113670), (120, 106092), (126, 101040), (135, 94304), (140, 90936), (144, 88410), (160, 79569), (168, 75780), (180, 70728), (189, 67360), (210, 60624), (216, 58940), (224, 56835), (240, 53046), (252, 50520), (270, 47152), (280, 45468), (288, 44205), (315, 40416), (336, 37890), (360, 35364), (378, 33680), (420, 30312), (421, 30240), (432, 29470), (480, 26523), (504, 25260), (540, 23576), (560, 22734), (630, 20208), (672, 18945), (720, 17682), (756, 16840), (840, 15156), (842, 15120), (864, 14735), (945, 13472), (1008, 12630), (1080, 11788), (1120, 11367), (1260, 10104), (1263, 10080), (1440, 8841), (1512, 8420), (1680, 7578), (1684, 7560), (1890, 6736), (2016, 6315), (2105, 6048), (2160, 5894), (2520, 5052), (2526, 5040), (2947, 4320), (3024, 4210), (3360, 3789), (3368, 3780)]