720430848

素因数分解:

$2^8\times 3^5\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 216

約数和(自身を含む): 2219399728

約数和(自身を除く): 1498968880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 108, 111, 128, 144, 148, 162, 192, 216, 222, 243, 256, 288, 296, 313, 324, 333, 384, 432, 444, 486, 576, 592, 626, 648, 666, 768, 864, 888, 939, 972, 999, 1152, 1184, 1252, 1296, 1332, 1728, 1776, 1878, 1944, 1998, 2304, 2368, 2504, 2592, 2664, 2817, 2997, 3456, 3552, 3756, 3888, 3996, 4736, 5008, 5184, 5328, 5634, 5994, 6912, 7104, 7512, 7776, 7992, 8451, 8991, 9472, 10016, 10368, 10656, 11268, 11581, 11988, 14208, 15024, 15552, 15984, 16902, 17982, 20032, 20736, 21312, 22536, 23162, 23976, 25353, 28416, 30048, 31104, 31968, 33804, 34743, 35964, 40064, 42624, 45072, 46324, 47952, 50706, 60096, 62208, 63936, 67608, 69486, 71928, 76059, 80128, 85248, 90144, 92648, 95904, 101412, 104229, 120192, 127872, 135216, 138972, 143856, 152118, 180288, 185296, 191808, 202824, 208458, 240384, 255744, 270432, 277944, 287712, 304236, 312687, 360576, 370592, 383616, 405648, 416916, 540864, 555888, 575424, 608472, 625374, 721152, 741184, 767232, 811296, 833832, 938061, 1081728, 1111776, 1150848, 1216944, 1250748, 1482368, 1622592, 1667664, 1876122, 2163456, 2223552, 2301696, 2433888, 2501496, 2814183, 2964736, 3245184, 3335328, 3752244, 4447104, 4867776, 5002992, 5628366, 6490368, 6670656, 7504488, 8894208, 9735552, 10005984, 11256732, 13341312, 15008976, 19471104, 20011968, 22513464, 26682624, 30017952, 40023936, 45026928, 60035904, 80047872, 90053856, 120071808, 180107712, 240143616, 360215424, 720430848]

約数ペア:

[(1, 720430848), (2, 360215424), (3, 240143616), (4, 180107712), (6, 120071808), (8, 90053856), (9, 80047872), (12, 60035904), (16, 45026928), (18, 40023936), (24, 30017952), (27, 26682624), (32, 22513464), (36, 20011968), (37, 19471104), (48, 15008976), (54, 13341312), (64, 11256732), (72, 10005984), (74, 9735552), (81, 8894208), (96, 7504488), (108, 6670656), (111, 6490368), (128, 5628366), (144, 5002992), (148, 4867776), (162, 4447104), (192, 3752244), (216, 3335328), (222, 3245184), (243, 2964736), (256, 2814183), (288, 2501496), (296, 2433888), (313, 2301696), (324, 2223552), (333, 2163456), (384, 1876122), (432, 1667664), (444, 1622592), (486, 1482368), (576, 1250748), (592, 1216944), (626, 1150848), (648, 1111776), (666, 1081728), (768, 938061), (864, 833832), (888, 811296), (939, 767232), (972, 741184), (999, 721152), (1152, 625374), (1184, 608472), (1252, 575424), (1296, 555888), (1332, 540864), (1728, 416916), (1776, 405648), (1878, 383616), (1944, 370592), (1998, 360576), (2304, 312687), (2368, 304236), (2504, 287712), (2592, 277944), (2664, 270432), (2817, 255744), (2997, 240384), (3456, 208458), (3552, 202824), (3756, 191808), (3888, 185296), (3996, 180288), (4736, 152118), (5008, 143856), (5184, 138972), (5328, 135216), (5634, 127872), (5994, 120192), (6912, 104229), (7104, 101412), (7512, 95904), (7776, 92648), (7992, 90144), (8451, 85248), (8991, 80128), (9472, 76059), (10016, 71928), (10368, 69486), (10656, 67608), (11268, 63936), (11581, 62208), (11988, 60096), (14208, 50706), (15024, 47952), (15552, 46324), (15984, 45072), (16902, 42624), (17982, 40064), (20032, 35964), (20736, 34743), (21312, 33804), (22536, 31968), (23162, 31104), (23976, 30048), (25353, 28416)]