256220952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 725760000

約数和(自身を除く): 469539048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 59, 62, 78, 93, 104, 118, 124, 156, 177, 186, 236, 248, 312, 354, 372, 403, 449, 472, 708, 744, 767, 806, 898, 1209, 1347, 1416, 1534, 1612, 1796, 1829, 2301, 2418, 2694, 3068, 3224, 3592, 3658, 4602, 4836, 5388, 5487, 5837, 6136, 7316, 9204, 9672, 10776, 10974, 11674, 13919, 14632, 17511, 18408, 21948, 23348, 23777, 26491, 27838, 35022, 41757, 43896, 46696, 47554, 52982, 55676, 70044, 71331, 79473, 83514, 95108, 105964, 111352, 140088, 142662, 158946, 167028, 180947, 190216, 211928, 285324, 317892, 334056, 344383, 361894, 542841, 570648, 635784, 688766, 723788, 821221, 1033149, 1085682, 1377532, 1447576, 1642442, 2066298, 2171364, 2463663, 2755064, 3284884, 4132596, 4342728, 4927326, 6569768, 8265192, 9854652, 10675873, 19709304, 21351746, 32027619, 42703492, 64055238, 85406984, 128110476, 256220952]

約数ペア:

[(1, 256220952), (2, 128110476), (3, 85406984), (4, 64055238), (6, 42703492), (8, 32027619), (12, 21351746), (13, 19709304), (24, 10675873), (26, 9854652), (31, 8265192), (39, 6569768), (52, 4927326), (59, 4342728), (62, 4132596), (78, 3284884), (93, 2755064), (104, 2463663), (118, 2171364), (124, 2066298), (156, 1642442), (177, 1447576), (186, 1377532), (236, 1085682), (248, 1033149), (312, 821221), (354, 723788), (372, 688766), (403, 635784), (449, 570648), (472, 542841), (708, 361894), (744, 344383), (767, 334056), (806, 317892), (898, 285324), (1209, 211928), (1347, 190216), (1416, 180947), (1534, 167028), (1612, 158946), (1796, 142662), (1829, 140088), (2301, 111352), (2418, 105964), (2694, 95108), (3068, 83514), (3224, 79473), (3592, 71331), (3658, 70044), (4602, 55676), (4836, 52982), (5388, 47554), (5487, 46696), (5837, 43896), (6136, 41757), (7316, 35022), (9204, 27838), (9672, 26491), (10776, 23777), (10974, 23348), (11674, 21948), (13919, 18408), (14632, 17511)]