281428920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:910

約数の個数: 192

約数和(自身を含む): 978868800

約数和(自身を除く): 697439880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 90, 92, 115, 120, 123, 138, 164, 180, 184, 205, 207, 230, 246, 276, 328, 345, 360, 369, 410, 414, 460, 492, 552, 615, 690, 738, 820, 828, 829, 920, 943, 984, 1035, 1230, 1380, 1476, 1640, 1656, 1658, 1845, 1886, 2070, 2460, 2487, 2760, 2829, 2952, 3316, 3690, 3772, 4140, 4145, 4715, 4920, 4974, 5658, 6632, 7380, 7461, 7544, 8280, 8290, 8487, 9430, 9948, 11316, 12435, 14145, 14760, 14922, 16580, 16974, 18860, 19067, 19896, 22632, 24870, 28290, 29844, 33160, 33948, 33989, 37305, 37720, 38134, 42435, 49740, 56580, 57201, 59688, 67896, 67978, 74610, 76268, 84870, 95335, 99480, 101967, 113160, 114402, 135956, 149220, 152536, 169740, 169945, 171603, 190670, 203934, 228804, 271912, 286005, 298440, 305901, 339480, 339890, 343206, 381340, 407868, 457608, 509835, 572010, 611802, 679780, 686412, 762680, 781747, 815736, 858015, 1019670, 1144020, 1223604, 1359560, 1372824, 1529505, 1563494, 1716030, 2039340, 2288040, 2345241, 2447208, 3059010, 3126988, 3432060, 3908735, 4078680, 4690482, 6118020, 6253976, 6864120, 7035723, 7817470, 9380964, 11726205, 12236040, 14071446, 15634940, 18761928, 23452410, 28142892, 31269880, 35178615, 46904820, 56285784, 70357230, 93809640, 140714460, 281428920]

約数ペア:

[(1, 281428920), (2, 140714460), (3, 93809640), (4, 70357230), (5, 56285784), (6, 46904820), (8, 35178615), (9, 31269880), (10, 28142892), (12, 23452410), (15, 18761928), (18, 15634940), (20, 14071446), (23, 12236040), (24, 11726205), (30, 9380964), (36, 7817470), (40, 7035723), (41, 6864120), (45, 6253976), (46, 6118020), (60, 4690482), (69, 4078680), (72, 3908735), (82, 3432060), (90, 3126988), (92, 3059010), (115, 2447208), (120, 2345241), (123, 2288040), (138, 2039340), (164, 1716030), (180, 1563494), (184, 1529505), (205, 1372824), (207, 1359560), (230, 1223604), (246, 1144020), (276, 1019670), (328, 858015), (345, 815736), (360, 781747), (369, 762680), (410, 686412), (414, 679780), (460, 611802), (492, 572010), (552, 509835), (615, 457608), (690, 407868), (738, 381340), (820, 343206), (828, 339890), (829, 339480), (920, 305901), (943, 298440), (984, 286005), (1035, 271912), (1230, 228804), (1380, 203934), (1476, 190670), (1640, 171603), (1656, 169945), (1658, 169740), (1845, 152536), (1886, 149220), (2070, 135956), (2460, 114402), (2487, 113160), (2760, 101967), (2829, 99480), (2952, 95335), (3316, 84870), (3690, 76268), (3772, 74610), (4140, 67978), (4145, 67896), (4715, 59688), (4920, 57201), (4974, 56580), (5658, 49740), (6632, 42435), (7380, 38134), (7461, 37720), (7544, 37305), (8280, 33989), (8290, 33948), (8487, 33160), (9430, 29844), (9948, 28290), (11316, 24870), (12435, 22632), (14145, 19896), (14760, 19067), (14922, 18860), (16580, 16974)]