20178812070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1\times {\mathrm{1063}}^1$

素因数の和:1667

約数の個数: 128

約数和(自身を含む): 54312007680

約数和(自身を除く): 34133195610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 167, 270, 334, 421, 501, 835, 842, 1002, 1063, 1263, 1503, 1670, 2105, 2126, 2505, 2526, 3006, 3189, 3789, 4210, 4509, 5010, 5315, 6315, 6378, 7515, 7578, 9018, 9567, 10630, 11367, 12630, 15030, 15945, 18945, 19134, 22545, 22734, 28701, 31890, 37890, 45090, 47835, 56835, 57402, 70307, 95670, 113670, 140614, 143505, 177521, 210921, 287010, 351535, 355042, 421842, 447523, 532563, 632763, 703070, 887605, 895046, 1054605, 1065126, 1265526, 1342569, 1597689, 1775210, 1898289, 2109210, 2237615, 2662815, 2685138, 3163815, 3195378, 3796578, 4027707, 4475230, 4793067, 5325630, 6327630, 6712845, 7988445, 8055414, 9491445, 9586134, 12083121, 13425690, 15976890, 18982890, 20138535, 23965335, 24166242, 40277070, 47930670, 60415605, 74736341, 120831210, 149472682, 224209023, 373681705, 448418046, 672627069, 747363410, 1121045115, 1345254138, 2017881207, 2242090230, 3363135345, 4035762414, 6726270690, 10089406035, 20178812070]

約数ペア:

[(1, 20178812070), (2, 10089406035), (3, 6726270690), (5, 4035762414), (6, 3363135345), (9, 2242090230), (10, 2017881207), (15, 1345254138), (18, 1121045115), (27, 747363410), (30, 672627069), (45, 448418046), (54, 373681705), (90, 224209023), (135, 149472682), (167, 120831210), (270, 74736341), (334, 60415605), (421, 47930670), (501, 40277070), (835, 24166242), (842, 23965335), (1002, 20138535), (1063, 18982890), (1263, 15976890), (1503, 13425690), (1670, 12083121), (2105, 9586134), (2126, 9491445), (2505, 8055414), (2526, 7988445), (3006, 6712845), (3189, 6327630), (3789, 5325630), (4210, 4793067), (4509, 4475230), (5010, 4027707), (5315, 3796578), (6315, 3195378), (6378, 3163815), (7515, 2685138), (7578, 2662815), (9018, 2237615), (9567, 2109210), (10630, 1898289), (11367, 1775210), (12630, 1597689), (15030, 1342569), (15945, 1265526), (18945, 1065126), (19134, 1054605), (22545, 895046), (22734, 887605), (28701, 703070), (31890, 632763), (37890, 532563), (45090, 447523), (47835, 421842), (56835, 355042), (57402, 351535), (70307, 287010), (95670, 210921), (113670, 177521), (140614, 143505)]