1260558208

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3556

約数の個数: 128

約数和(自身を含む): 3191408640

約数和(自身を除く): 1930850432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 992, 1456, 1612, 1664, 1736, 1984, 2821, 2912, 3224, 3472, 3491, 3968, 5642, 5824, 6448, 6944, 6982, 11284, 11648, 12896, 13888, 13964, 22568, 24437, 25792, 27776, 27928, 45136, 45383, 48874, 51584, 55856, 90272, 90766, 97748, 108221, 111712, 180544, 181532, 195496, 216442, 223424, 317681, 361088, 363064, 390992, 432884, 446848, 635362, 726128, 757547, 781984, 865768, 1270724, 1406873, 1452256, 1515094, 1563968, 1731536, 2541448, 2813746, 2904512, 3030188, 3127936, 3463072, 5082896, 5627492, 5809024, 6060376, 6926144, 9848111, 10165792, 11254984, 12120752, 13852288, 19696222, 20331584, 22509968, 24241504, 39392444, 40663168, 45019936, 48483008, 78784888, 90039872, 96966016, 157569776, 180079744, 315139552, 630279104, 1260558208]

約数ペア:

[(1, 1260558208), (2, 630279104), (4, 315139552), (7, 180079744), (8, 157569776), (13, 96966016), (14, 90039872), (16, 78784888), (26, 48483008), (28, 45019936), (31, 40663168), (32, 39392444), (52, 24241504), (56, 22509968), (62, 20331584), (64, 19696222), (91, 13852288), (104, 12120752), (112, 11254984), (124, 10165792), (128, 9848111), (182, 6926144), (208, 6060376), (217, 5809024), (224, 5627492), (248, 5082896), (364, 3463072), (403, 3127936), (416, 3030188), (434, 2904512), (448, 2813746), (496, 2541448), (728, 1731536), (806, 1563968), (832, 1515094), (868, 1452256), (896, 1406873), (992, 1270724), (1456, 865768), (1612, 781984), (1664, 757547), (1736, 726128), (1984, 635362), (2821, 446848), (2912, 432884), (3224, 390992), (3472, 363064), (3491, 361088), (3968, 317681), (5642, 223424), (5824, 216442), (6448, 195496), (6944, 181532), (6982, 180544), (11284, 111712), (11648, 108221), (12896, 97748), (13888, 90766), (13964, 90272), (22568, 55856), (24437, 51584), (25792, 48874), (27776, 45383), (27928, 45136)]