521030720

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 224

約数和(自身を含む): 1492300800

約数和(自身を除く): 971270080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 80, 94, 98, 101, 112, 140, 160, 188, 196, 202, 224, 235, 245, 280, 320, 329, 343, 376, 392, 404, 448, 470, 490, 505, 560, 658, 686, 707, 752, 784, 808, 940, 980, 1010, 1120, 1316, 1372, 1414, 1504, 1568, 1616, 1645, 1715, 1880, 1960, 2020, 2240, 2303, 2632, 2744, 2828, 3008, 3136, 3232, 3290, 3430, 3535, 3760, 3920, 4040, 4606, 4747, 4949, 5264, 5488, 5656, 6464, 6580, 6860, 7070, 7520, 7840, 8080, 9212, 9494, 9898, 10528, 10976, 11312, 11515, 13160, 13720, 14140, 15040, 15680, 16121, 16160, 18424, 18988, 19796, 21056, 21952, 22624, 23030, 23735, 24745, 26320, 27440, 28280, 32242, 32320, 33229, 34643, 36848, 37976, 39592, 45248, 46060, 47470, 49490, 52640, 54880, 56560, 64484, 66458, 69286, 73696, 75952, 79184, 80605, 92120, 94940, 98980, 105280, 109760, 113120, 128968, 132916, 138572, 147392, 151904, 158368, 161210, 166145, 173215, 184240, 189880, 197960, 226240, 232603, 257936, 265832, 277144, 303808, 316736, 322420, 332290, 346430, 368480, 379760, 395920, 465206, 515872, 531664, 554288, 644840, 664580, 692860, 736960, 759520, 791840, 930412, 1031744, 1063328, 1108576, 1163015, 1289680, 1329160, 1385720, 1519040, 1583680, 1628221, 1860824, 2126656, 2217152, 2326030, 2579360, 2658320, 2771440, 3256442, 3721648, 4652060, 5158720, 5316640, 5542880, 6512884, 7443296, 8141105, 9304120, 10633280, 11085760, 13025768, 14886592, 16282210, 18608240, 26051536, 32564420, 37216480, 52103072, 65128840, 74432960, 104206144, 130257680, 260515360, 521030720]

約数ペア:

[(1, 521030720), (2, 260515360), (4, 130257680), (5, 104206144), (7, 74432960), (8, 65128840), (10, 52103072), (14, 37216480), (16, 32564420), (20, 26051536), (28, 18608240), (32, 16282210), (35, 14886592), (40, 13025768), (47, 11085760), (49, 10633280), (56, 9304120), (64, 8141105), (70, 7443296), (80, 6512884), (94, 5542880), (98, 5316640), (101, 5158720), (112, 4652060), (140, 3721648), (160, 3256442), (188, 2771440), (196, 2658320), (202, 2579360), (224, 2326030), (235, 2217152), (245, 2126656), (280, 1860824), (320, 1628221), (329, 1583680), (343, 1519040), (376, 1385720), (392, 1329160), (404, 1289680), (448, 1163015), (470, 1108576), (490, 1063328), (505, 1031744), (560, 930412), (658, 791840), (686, 759520), (707, 736960), (752, 692860), (784, 664580), (808, 644840), (940, 554288), (980, 531664), (1010, 515872), (1120, 465206), (1316, 395920), (1372, 379760), (1414, 368480), (1504, 346430), (1568, 332290), (1616, 322420), (1645, 316736), (1715, 303808), (1880, 277144), (1960, 265832), (2020, 257936), (2240, 232603), (2303, 226240), (2632, 197960), (2744, 189880), (2828, 184240), (3008, 173215), (3136, 166145), (3232, 161210), (3290, 158368), (3430, 151904), (3535, 147392), (3760, 138572), (3920, 132916), (4040, 128968), (4606, 113120), (4747, 109760), (4949, 105280), (5264, 98980), (5488, 94940), (5656, 92120), (6464, 80605), (6580, 79184), (6860, 75952), (7070, 73696), (7520, 69286), (7840, 66458), (8080, 64484), (9212, 56560), (9494, 54880), (9898, 52640), (10528, 49490), (10976, 47470), (11312, 46060), (11515, 45248), (13160, 39592), (13720, 37976), (14140, 36848), (15040, 34643), (15680, 33229), (16121, 32320), (16160, 32242), (18424, 28280), (18988, 27440), (19796, 26320), (21056, 24745), (21952, 23735), (22624, 23030)]