668710728

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 2167052160

約数和(自身を除く): 1498341432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 157, 162, 168, 189, 216, 243, 252, 313, 314, 324, 378, 471, 486, 504, 567, 626, 628, 648, 756, 939, 942, 972, 1099, 1134, 1252, 1256, 1413, 1512, 1701, 1878, 1884, 1944, 2191, 2198, 2268, 2504, 2817, 2826, 3297, 3402, 3756, 3768, 4239, 4382, 4396, 4536, 5634, 5652, 6573, 6594, 6804, 7512, 8451, 8478, 8764, 8792, 9891, 11268, 11304, 12717, 13146, 13188, 13608, 16902, 16956, 17528, 19719, 19782, 22536, 25353, 25434, 26292, 26376, 29673, 33804, 33912, 38151, 39438, 39564, 49141, 50706, 50868, 52584, 59157, 59346, 67608, 76059, 76302, 78876, 79128, 89019, 98282, 101412, 101736, 118314, 118692, 147423, 152118, 152604, 157752, 177471, 178038, 196564, 202824, 236628, 237384, 267057, 294846, 304236, 305208, 343987, 354942, 356076, 393128, 442269, 473256, 532413, 534114, 589692, 608472, 687974, 709884, 712152, 884538, 1031961, 1064826, 1068228, 1179384, 1326807, 1375948, 1419768, 1769076, 2063922, 2129652, 2136456, 2653614, 2751896, 3095883, 3538152, 3980421, 4127844, 4259304, 5307228, 6191766, 7960842, 8255688, 9287649, 10614456, 11941263, 12383532, 15921684, 18575298, 23882526, 24767064, 27862947, 31843368, 37150596, 47765052, 55725894, 74301192, 83588841, 95530104, 111451788, 167177682, 222903576, 334355364, 668710728]

約数ペア:

[(1, 668710728), (2, 334355364), (3, 222903576), (4, 167177682), (6, 111451788), (7, 95530104), (8, 83588841), (9, 74301192), (12, 55725894), (14, 47765052), (18, 37150596), (21, 31843368), (24, 27862947), (27, 24767064), (28, 23882526), (36, 18575298), (42, 15921684), (54, 12383532), (56, 11941263), (63, 10614456), (72, 9287649), (81, 8255688), (84, 7960842), (108, 6191766), (126, 5307228), (157, 4259304), (162, 4127844), (168, 3980421), (189, 3538152), (216, 3095883), (243, 2751896), (252, 2653614), (313, 2136456), (314, 2129652), (324, 2063922), (378, 1769076), (471, 1419768), (486, 1375948), (504, 1326807), (567, 1179384), (626, 1068228), (628, 1064826), (648, 1031961), (756, 884538), (939, 712152), (942, 709884), (972, 687974), (1099, 608472), (1134, 589692), (1252, 534114), (1256, 532413), (1413, 473256), (1512, 442269), (1701, 393128), (1878, 356076), (1884, 354942), (1944, 343987), (2191, 305208), (2198, 304236), (2268, 294846), (2504, 267057), (2817, 237384), (2826, 236628), (3297, 202824), (3402, 196564), (3756, 178038), (3768, 177471), (4239, 157752), (4382, 152604), (4396, 152118), (4536, 147423), (5634, 118692), (5652, 118314), (6573, 101736), (6594, 101412), (6804, 98282), (7512, 89019), (8451, 79128), (8478, 78876), (8764, 76302), (8792, 76059), (9891, 67608), (11268, 59346), (11304, 59157), (12717, 52584), (13146, 50868), (13188, 50706), (13608, 49141), (16902, 39564), (16956, 39438), (17528, 38151), (19719, 33912), (19782, 33804), (22536, 29673), (25353, 26376), (25434, 26292)]