661484124

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:789

約数の個数: 144

約数和(自身を含む): 2007129600

約数和(自身を除く): 1345645476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 239, 252, 294, 378, 441, 478, 523, 588, 717, 756, 882, 956, 1046, 1323, 1434, 1569, 1673, 1764, 2092, 2151, 2646, 2868, 3138, 3346, 3661, 4302, 4707, 5019, 5292, 6276, 6453, 6692, 7322, 8604, 9414, 10038, 10983, 11711, 12906, 14121, 14644, 15057, 18828, 20076, 21966, 23422, 25627, 25812, 28242, 30114, 32949, 35133, 43932, 45171, 46844, 51254, 56484, 60228, 65898, 70266, 76881, 90342, 98847, 102508, 105399, 124997, 131796, 140532, 153762, 180684, 197694, 210798, 230643, 249994, 307524, 316197, 374991, 395388, 421596, 461286, 499988, 632394, 691929, 749982, 874979, 922572, 1124973, 1264788, 1383858, 1499964, 1749958, 2249946, 2624937, 2767716, 3374919, 3499916, 4499892, 5249874, 6124853, 6749838, 7874811, 10499748, 12249706, 13499676, 15749622, 18374559, 23624433, 24499412, 31499244, 36749118, 47248866, 55123677, 73498236, 94497732, 110247354, 165371031, 220494708, 330742062, 661484124]

約数ペア:

[(1, 661484124), (2, 330742062), (3, 220494708), (4, 165371031), (6, 110247354), (7, 94497732), (9, 73498236), (12, 55123677), (14, 47248866), (18, 36749118), (21, 31499244), (27, 24499412), (28, 23624433), (36, 18374559), (42, 15749622), (49, 13499676), (54, 12249706), (63, 10499748), (84, 7874811), (98, 6749838), (108, 6124853), (126, 5249874), (147, 4499892), (189, 3499916), (196, 3374919), (239, 2767716), (252, 2624937), (294, 2249946), (378, 1749958), (441, 1499964), (478, 1383858), (523, 1264788), (588, 1124973), (717, 922572), (756, 874979), (882, 749982), (956, 691929), (1046, 632394), (1323, 499988), (1434, 461286), (1569, 421596), (1673, 395388), (1764, 374991), (2092, 316197), (2151, 307524), (2646, 249994), (2868, 230643), (3138, 210798), (3346, 197694), (3661, 180684), (4302, 153762), (4707, 140532), (5019, 131796), (5292, 124997), (6276, 105399), (6453, 102508), (6692, 98847), (7322, 90342), (8604, 76881), (9414, 70266), (10038, 65898), (10983, 60228), (11711, 56484), (12906, 51254), (14121, 46844), (14644, 45171), (15057, 43932), (18828, 35133), (20076, 32949), (21966, 30114), (23422, 28242), (25627, 25812)]