205991520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:733

約数の個数: 192

約数和(自身を含む): 750145536

約数和(自身を除く): 544154016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 101, 105, 112, 120, 140, 160, 168, 202, 210, 224, 240, 280, 303, 336, 404, 420, 480, 505, 560, 606, 607, 672, 707, 808, 840, 1010, 1120, 1212, 1214, 1414, 1515, 1616, 1680, 1821, 2020, 2121, 2424, 2428, 2828, 3030, 3035, 3232, 3360, 3535, 3642, 4040, 4242, 4249, 4848, 4856, 5656, 6060, 6070, 7070, 7284, 8080, 8484, 8498, 9105, 9696, 9712, 10605, 11312, 12120, 12140, 12747, 14140, 14568, 16160, 16968, 16996, 18210, 19424, 21210, 21245, 22624, 24240, 24280, 25494, 28280, 29136, 33936, 33992, 36420, 42420, 42490, 48480, 48560, 50988, 56560, 58272, 61307, 63735, 67872, 67984, 72840, 84840, 84980, 97120, 101976, 113120, 122614, 127470, 135968, 145680, 169680, 169960, 183921, 203952, 245228, 254940, 291360, 306535, 339360, 339920, 367842, 407904, 429149, 490456, 509880, 613070, 679840, 735684, 858298, 919605, 980912, 1019760, 1226140, 1287447, 1471368, 1716596, 1839210, 1961824, 2039520, 2145745, 2452280, 2574894, 2942736, 3433192, 3678420, 4291490, 4904560, 5149788, 5885472, 6437235, 6866384, 7356840, 8582980, 9809120, 10299576, 12874470, 13732768, 14713680, 17165960, 20599152, 25748940, 29427360, 34331920, 41198304, 51497880, 68663840, 102995760, 205991520]

約数ペア:

[(1, 205991520), (2, 102995760), (3, 68663840), (4, 51497880), (5, 41198304), (6, 34331920), (7, 29427360), (8, 25748940), (10, 20599152), (12, 17165960), (14, 14713680), (15, 13732768), (16, 12874470), (20, 10299576), (21, 9809120), (24, 8582980), (28, 7356840), (30, 6866384), (32, 6437235), (35, 5885472), (40, 5149788), (42, 4904560), (48, 4291490), (56, 3678420), (60, 3433192), (70, 2942736), (80, 2574894), (84, 2452280), (96, 2145745), (101, 2039520), (105, 1961824), (112, 1839210), (120, 1716596), (140, 1471368), (160, 1287447), (168, 1226140), (202, 1019760), (210, 980912), (224, 919605), (240, 858298), (280, 735684), (303, 679840), (336, 613070), (404, 509880), (420, 490456), (480, 429149), (505, 407904), (560, 367842), (606, 339920), (607, 339360), (672, 306535), (707, 291360), (808, 254940), (840, 245228), (1010, 203952), (1120, 183921), (1212, 169960), (1214, 169680), (1414, 145680), (1515, 135968), (1616, 127470), (1680, 122614), (1821, 113120), (2020, 101976), (2121, 97120), (2424, 84980), (2428, 84840), (2828, 72840), (3030, 67984), (3035, 67872), (3232, 63735), (3360, 61307), (3535, 58272), (3642, 56560), (4040, 50988), (4242, 48560), (4249, 48480), (4848, 42490), (4856, 42420), (5656, 36420), (6060, 33992), (6070, 33936), (7070, 29136), (7284, 28280), (8080, 25494), (8484, 24280), (8498, 24240), (9105, 22624), (9696, 21245), (9712, 21210), (10605, 19424), (11312, 18210), (12120, 16996), (12140, 16968), (12747, 16160), (14140, 14568)]