197758680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 681108480

約数和(自身を除く): 483349800

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, 280, 311, 420, 622, 757, 840, 933, 1244, 1514, 1555, 1866, 2177, 2271, 2488, 3028, 3110, 3732, 3785, 4354, 4542, 4665, 5299, 6056, 6220, 6531, 7464, 7570, 8708, 9084, 9330, 10598, 10885, 11355, 12440, 13062, 15140, 15897, 17416, 18168, 18660, 21196, 21770, 22710, 26124, 26495, 30280, 31794, 32655, 37320, 42392, 43540, 45420, 52248, 52990, 63588, 65310, 79485, 87080, 90840, 105980, 127176, 130620, 158970, 211960, 235427, 261240, 317940, 470854, 635880, 706281, 941708, 1177135, 1412562, 1647989, 1883416, 2354270, 2825124, 3295978, 3531405, 4708540, 4943967, 5650248, 6591956, 7062810, 8239945, 9417080, 9887934, 13183912, 14125620, 16479890, 19775868, 24719835, 28251240, 32959780, 39551736, 49439670, 65919560, 98879340, 197758680]

約数ペア:

[(1, 197758680), (2, 98879340), (3, 65919560), (4, 49439670), (5, 39551736), (6, 32959780), (7, 28251240), (8, 24719835), (10, 19775868), (12, 16479890), (14, 14125620), (15, 13183912), (20, 9887934), (21, 9417080), (24, 8239945), (28, 7062810), (30, 6591956), (35, 5650248), (40, 4943967), (42, 4708540), (56, 3531405), (60, 3295978), (70, 2825124), (84, 2354270), (105, 1883416), (120, 1647989), (140, 1412562), (168, 1177135), (210, 941708), (280, 706281), (311, 635880), (420, 470854), (622, 317940), (757, 261240), (840, 235427), (933, 211960), (1244, 158970), (1514, 130620), (1555, 127176), (1866, 105980), (2177, 90840), (2271, 87080), (2488, 79485), (3028, 65310), (3110, 63588), (3732, 52990), (3785, 52248), (4354, 45420), (4542, 43540), (4665, 42392), (5299, 37320), (6056, 32655), (6220, 31794), (6531, 30280), (7464, 26495), (7570, 26124), (8708, 22710), (9084, 21770), (9330, 21196), (10598, 18660), (10885, 18168), (11355, 17416), (12440, 15897), (13062, 15140)]