1640648464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 4081516544

約数和(自身を除く): 2440868080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 163, 182, 208, 217, 223, 248, 326, 364, 403, 434, 446, 496, 652, 728, 806, 868, 892, 1141, 1304, 1456, 1561, 1612, 1736, 1784, 2119, 2282, 2608, 2821, 2899, 3122, 3224, 3472, 3568, 4238, 4564, 5053, 5642, 5798, 6244, 6448, 6913, 8476, 9128, 10106, 11284, 11596, 12488, 13826, 14833, 16952, 18256, 20212, 20293, 22568, 23192, 24976, 27652, 29666, 33904, 35371, 36349, 40424, 40586, 45136, 46384, 48391, 55304, 59332, 65689, 70742, 72698, 80848, 81172, 89869, 96782, 110608, 118664, 131378, 141484, 145396, 162344, 179738, 193564, 237328, 254443, 262756, 282968, 290792, 324688, 359476, 387128, 459823, 472537, 508886, 525512, 565936, 581584, 629083, 718952, 774256, 919646, 945074, 1017772, 1051024, 1126819, 1258166, 1437904, 1839292, 1890148, 2035544, 2253638, 2516332, 3307759, 3678584, 3780296, 4071088, 4507276, 5032664, 6615518, 7357168, 7560592, 7887733, 9014552, 10065328, 13231036, 14648647, 15775466, 18029104, 26462072, 29297294, 31550932, 52924144, 58594588, 63101864, 102540529, 117189176, 126203728, 205081058, 234378352, 410162116, 820324232, 1640648464]

約数ペア:

[(1, 1640648464), (2, 820324232), (4, 410162116), (7, 234378352), (8, 205081058), (13, 126203728), (14, 117189176), (16, 102540529), (26, 63101864), (28, 58594588), (31, 52924144), (52, 31550932), (56, 29297294), (62, 26462072), (91, 18029104), (104, 15775466), (112, 14648647), (124, 13231036), (163, 10065328), (182, 9014552), (208, 7887733), (217, 7560592), (223, 7357168), (248, 6615518), (326, 5032664), (364, 4507276), (403, 4071088), (434, 3780296), (446, 3678584), (496, 3307759), (652, 2516332), (728, 2253638), (806, 2035544), (868, 1890148), (892, 1839292), (1141, 1437904), (1304, 1258166), (1456, 1126819), (1561, 1051024), (1612, 1017772), (1736, 945074), (1784, 919646), (2119, 774256), (2282, 718952), (2608, 629083), (2821, 581584), (2899, 565936), (3122, 525512), (3224, 508886), (3472, 472537), (3568, 459823), (4238, 387128), (4564, 359476), (5053, 324688), (5642, 290792), (5798, 282968), (6244, 262756), (6448, 254443), (6913, 237328), (8476, 193564), (9128, 179738), (10106, 162344), (11284, 145396), (11596, 141484), (12488, 131378), (13826, 118664), (14833, 110608), (16952, 96782), (18256, 89869), (20212, 81172), (20293, 80848), (22568, 72698), (23192, 70742), (24976, 65689), (27652, 59332), (29666, 55304), (33904, 48391), (35371, 46384), (36349, 45136), (40424, 40586)]