215266428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 632311680

約数和(自身を除く): 417045252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 43, 52, 57, 76, 78, 86, 114, 117, 129, 156, 171, 172, 228, 234, 247, 258, 342, 387, 468, 494, 516, 559, 563, 684, 741, 774, 817, 988, 1118, 1126, 1482, 1548, 1634, 1677, 1689, 2223, 2236, 2252, 2451, 2964, 3268, 3354, 3378, 4446, 4902, 5031, 5067, 6708, 6756, 7319, 7353, 8892, 9804, 10062, 10134, 10621, 10697, 14638, 14706, 20124, 20268, 21242, 21394, 21957, 24209, 29276, 29412, 31863, 32091, 42484, 42788, 43914, 48418, 63726, 64182, 65871, 72627, 87828, 95589, 96273, 96836, 127452, 128364, 131742, 139061, 145254, 191178, 192546, 217881, 263484, 278122, 290508, 314717, 382356, 385092, 417183, 435762, 459971, 556244, 629434, 834366, 871524, 919942, 944151, 1251549, 1258868, 1379913, 1668732, 1839884, 1888302, 2503098, 2759826, 2832453, 3776604, 4139739, 5006196, 5519652, 5664906, 5979623, 8279478, 11329812, 11959246, 16558956, 17938869, 23918492, 35877738, 53816607, 71755476, 107633214, 215266428]

約数ペア:

[(1, 215266428), (2, 107633214), (3, 71755476), (4, 53816607), (6, 35877738), (9, 23918492), (12, 17938869), (13, 16558956), (18, 11959246), (19, 11329812), (26, 8279478), (36, 5979623), (38, 5664906), (39, 5519652), (43, 5006196), (52, 4139739), (57, 3776604), (76, 2832453), (78, 2759826), (86, 2503098), (114, 1888302), (117, 1839884), (129, 1668732), (156, 1379913), (171, 1258868), (172, 1251549), (228, 944151), (234, 919942), (247, 871524), (258, 834366), (342, 629434), (387, 556244), (468, 459971), (494, 435762), (516, 417183), (559, 385092), (563, 382356), (684, 314717), (741, 290508), (774, 278122), (817, 263484), (988, 217881), (1118, 192546), (1126, 191178), (1482, 145254), (1548, 139061), (1634, 131742), (1677, 128364), (1689, 127452), (2223, 96836), (2236, 96273), (2252, 95589), (2451, 87828), (2964, 72627), (3268, 65871), (3354, 64182), (3378, 63726), (4446, 48418), (4902, 43914), (5031, 42788), (5067, 42484), (6708, 32091), (6756, 31863), (7319, 29412), (7353, 29276), (8892, 24209), (9804, 21957), (10062, 21394), (10134, 21242), (10621, 20268), (10697, 20124), (14638, 14706)]