209637960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2547

約数の個数: 128

約数和(自身を含む): 726036480

約数和(自身を除く): 516398520

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, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 2060, 2163, 2423, 2472, 2884, 3090, 3605, 4120, 4326, 4846, 5768, 6180, 7210, 7269, 8652, 9692, 10815, 12115, 12360, 14420, 14538, 16961, 17304, 19384, 21630, 24230, 28840, 29076, 33922, 36345, 43260, 48460, 50883, 58152, 67844, 72690, 84805, 86520, 96920, 101766, 135688, 145380, 169610, 203532, 249569, 254415, 290760, 339220, 407064, 499138, 508830, 678440, 748707, 998276, 1017660, 1247845, 1497414, 1746983, 1996552, 2035320, 2495690, 2994828, 3493966, 3743535, 4991380, 5240949, 5989656, 6987932, 7487070, 8734915, 9982760, 10481898, 13975864, 14974140, 17469830, 20963796, 26204745, 29948280, 34939660, 41927592, 52409490, 69879320, 104818980, 209637960]

約数ペア:

[(1, 209637960), (2, 104818980), (3, 69879320), (4, 52409490), (5, 41927592), (6, 34939660), (7, 29948280), (8, 26204745), (10, 20963796), (12, 17469830), (14, 14974140), (15, 13975864), (20, 10481898), (21, 9982760), (24, 8734915), (28, 7487070), (30, 6987932), (35, 5989656), (40, 5240949), (42, 4991380), (56, 3743535), (60, 3493966), (70, 2994828), (84, 2495690), (103, 2035320), (105, 1996552), (120, 1746983), (140, 1497414), (168, 1247845), (206, 1017660), (210, 998276), (280, 748707), (309, 678440), (412, 508830), (420, 499138), (515, 407064), (618, 339220), (721, 290760), (824, 254415), (840, 249569), (1030, 203532), (1236, 169610), (1442, 145380), (1545, 135688), (2060, 101766), (2163, 96920), (2423, 86520), (2472, 84805), (2884, 72690), (3090, 67844), (3605, 58152), (4120, 50883), (4326, 48460), (4846, 43260), (5768, 36345), (6180, 33922), (7210, 29076), (7269, 28840), (8652, 24230), (9692, 21630), (10815, 19384), (12115, 17304), (12360, 16961), (14420, 14538)]