646875216

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 180

約数和(自身を含む): 2064972000

約数和(自身を除く): 1418096784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 169, 171, 208, 228, 234, 247, 304, 312, 338, 342, 456, 468, 494, 507, 624, 676, 684, 741, 912, 936, 988, 1014, 1352, 1368, 1399, 1482, 1521, 1872, 1976, 2028, 2223, 2704, 2736, 2798, 2964, 3042, 3211, 3952, 4056, 4197, 4446, 5596, 5928, 6084, 6422, 8112, 8394, 8892, 9633, 11192, 11856, 12168, 12591, 12844, 16788, 17784, 18187, 19266, 22384, 24336, 25182, 25688, 26581, 28899, 33576, 35568, 36374, 38532, 50364, 51376, 53162, 54561, 57798, 67152, 72748, 77064, 79743, 100728, 106324, 109122, 115596, 145496, 154128, 159486, 163683, 201456, 212648, 218244, 231192, 236431, 239229, 290992, 318972, 327366, 345553, 425296, 436488, 462384, 472862, 478458, 637944, 654732, 691106, 709293, 872976, 945724, 956916, 1036659, 1275888, 1309464, 1382212, 1418586, 1891448, 1913832, 2073318, 2127879, 2618928, 2764424, 2837172, 3109977, 3782896, 3827664, 4146636, 4255758, 4492189, 5528848, 5674344, 6219954, 8293272, 8511516, 8984378, 11348688, 12439908, 13476567, 16586544, 17023032, 17968756, 24879816, 26953134, 34046064, 35937512, 40429701, 49759632, 53906268, 71875024, 80859402, 107812536, 161718804, 215625072, 323437608, 646875216]

約数ペア:

[(1, 646875216), (2, 323437608), (3, 215625072), (4, 161718804), (6, 107812536), (8, 80859402), (9, 71875024), (12, 53906268), (13, 49759632), (16, 40429701), (18, 35937512), (19, 34046064), (24, 26953134), (26, 24879816), (36, 17968756), (38, 17023032), (39, 16586544), (48, 13476567), (52, 12439908), (57, 11348688), (72, 8984378), (76, 8511516), (78, 8293272), (104, 6219954), (114, 5674344), (117, 5528848), (144, 4492189), (152, 4255758), (156, 4146636), (169, 3827664), (171, 3782896), (208, 3109977), (228, 2837172), (234, 2764424), (247, 2618928), (304, 2127879), (312, 2073318), (338, 1913832), (342, 1891448), (456, 1418586), (468, 1382212), (494, 1309464), (507, 1275888), (624, 1036659), (676, 956916), (684, 945724), (741, 872976), (912, 709293), (936, 691106), (988, 654732), (1014, 637944), (1352, 478458), (1368, 472862), (1399, 462384), (1482, 436488), (1521, 425296), (1872, 345553), (1976, 327366), (2028, 318972), (2223, 290992), (2704, 239229), (2736, 236431), (2798, 231192), (2964, 218244), (3042, 212648), (3211, 201456), (3952, 163683), (4056, 159486), (4197, 154128), (4446, 145496), (5596, 115596), (5928, 109122), (6084, 106324), (6422, 100728), (8112, 79743), (8394, 77064), (8892, 72748), (9633, 67152), (11192, 57798), (11856, 54561), (12168, 53162), (12591, 51376), (12844, 50364), (16788, 38532), (17784, 36374), (18187, 35568), (19266, 33576), (22384, 28899), (24336, 26581), (25182, 25688)]