664457360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 1873808640

約数和(自身を除く): 1209351280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 197, 266, 280, 304, 317, 380, 394, 532, 560, 634, 665, 760, 788, 985, 1064, 1268, 1330, 1379, 1520, 1576, 1585, 1970, 2128, 2219, 2536, 2660, 2758, 3152, 3170, 3743, 3940, 4438, 5072, 5320, 5516, 6023, 6340, 6895, 7486, 7880, 8876, 10640, 11032, 11095, 12046, 12680, 13790, 14972, 15760, 17752, 18715, 22064, 22190, 24092, 25360, 26201, 27580, 29944, 30115, 35504, 37430, 42161, 44380, 48184, 52402, 55160, 59888, 60230, 62449, 74860, 84322, 88760, 96368, 104804, 110320, 120460, 124898, 131005, 149720, 168644, 177520, 209608, 210805, 240920, 249796, 262010, 299440, 312245, 337288, 419216, 421610, 437143, 481840, 499592, 524020, 624490, 674576, 843220, 874286, 999184, 1048040, 1186531, 1248980, 1686440, 1748572, 2096080, 2185715, 2373062, 2497960, 3372880, 3497144, 4371430, 4746124, 4995920, 5932655, 6994288, 8305717, 8742860, 9492248, 11865310, 16611434, 17485720, 18984496, 23730620, 33222868, 34971440, 41528585, 47461240, 66445736, 83057170, 94922480, 132891472, 166114340, 332228680, 664457360]

約数ペア:

[(1, 664457360), (2, 332228680), (4, 166114340), (5, 132891472), (7, 94922480), (8, 83057170), (10, 66445736), (14, 47461240), (16, 41528585), (19, 34971440), (20, 33222868), (28, 23730620), (35, 18984496), (38, 17485720), (40, 16611434), (56, 11865310), (70, 9492248), (76, 8742860), (80, 8305717), (95, 6994288), (112, 5932655), (133, 4995920), (140, 4746124), (152, 4371430), (190, 3497144), (197, 3372880), (266, 2497960), (280, 2373062), (304, 2185715), (317, 2096080), (380, 1748572), (394, 1686440), (532, 1248980), (560, 1186531), (634, 1048040), (665, 999184), (760, 874286), (788, 843220), (985, 674576), (1064, 624490), (1268, 524020), (1330, 499592), (1379, 481840), (1520, 437143), (1576, 421610), (1585, 419216), (1970, 337288), (2128, 312245), (2219, 299440), (2536, 262010), (2660, 249796), (2758, 240920), (3152, 210805), (3170, 209608), (3743, 177520), (3940, 168644), (4438, 149720), (5072, 131005), (5320, 124898), (5516, 120460), (6023, 110320), (6340, 104804), (6895, 96368), (7486, 88760), (7880, 84322), (8876, 74860), (10640, 62449), (11032, 60230), (11095, 59888), (12046, 55160), (12680, 52402), (13790, 48184), (14972, 44380), (15760, 42161), (17752, 37430), (18715, 35504), (22064, 30115), (22190, 29944), (24092, 27580), (25360, 26201)]