644887008

素因数分解:

$2^5\times 3^5\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 1915280640

約数和(自身を除く): 1270393632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 239, 243, 288, 324, 347, 432, 478, 486, 648, 694, 717, 864, 956, 972, 1041, 1296, 1388, 1434, 1912, 1944, 2082, 2151, 2592, 2776, 2868, 3123, 3824, 3888, 4164, 4302, 5552, 5736, 6246, 6453, 7648, 7776, 8328, 8604, 9369, 11104, 11472, 12492, 12906, 16656, 17208, 18738, 19359, 22944, 24984, 25812, 28107, 33312, 34416, 37476, 38718, 49968, 51624, 56214, 58077, 68832, 74952, 77436, 82933, 84321, 99936, 103248, 112428, 116154, 149904, 154872, 165866, 168642, 206496, 224856, 232308, 248799, 299808, 309744, 331732, 337284, 449712, 464616, 497598, 619488, 663464, 674568, 746397, 899424, 929232, 995196, 1326928, 1349136, 1492794, 1858464, 1990392, 2239191, 2653856, 2698272, 2985588, 3980784, 4478382, 5971176, 6717573, 7961568, 8956764, 11942352, 13435146, 17913528, 20152719, 23884704, 26870292, 35827056, 40305438, 53740584, 71654112, 80610876, 107481168, 161221752, 214962336, 322443504, 644887008]

約数ペア:

[(1, 644887008), (2, 322443504), (3, 214962336), (4, 161221752), (6, 107481168), (8, 80610876), (9, 71654112), (12, 53740584), (16, 40305438), (18, 35827056), (24, 26870292), (27, 23884704), (32, 20152719), (36, 17913528), (48, 13435146), (54, 11942352), (72, 8956764), (81, 7961568), (96, 6717573), (108, 5971176), (144, 4478382), (162, 3980784), (216, 2985588), (239, 2698272), (243, 2653856), (288, 2239191), (324, 1990392), (347, 1858464), (432, 1492794), (478, 1349136), (486, 1326928), (648, 995196), (694, 929232), (717, 899424), (864, 746397), (956, 674568), (972, 663464), (1041, 619488), (1296, 497598), (1388, 464616), (1434, 449712), (1912, 337284), (1944, 331732), (2082, 309744), (2151, 299808), (2592, 248799), (2776, 232308), (2868, 224856), (3123, 206496), (3824, 168642), (3888, 165866), (4164, 154872), (4302, 149904), (5552, 116154), (5736, 112428), (6246, 103248), (6453, 99936), (7648, 84321), (7776, 82933), (8328, 77436), (8604, 74952), (9369, 68832), (11104, 58077), (11472, 56214), (12492, 51624), (12906, 49968), (16656, 38718), (17208, 37476), (18738, 34416), (19359, 33312), (22944, 28107), (24984, 25812)]