258453240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 794880000

約数和(自身を除く): 536426760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 137, 158, 199, 237, 274, 316, 395, 398, 411, 474, 548, 597, 632, 685, 790, 796, 822, 948, 995, 1096, 1185, 1194, 1370, 1580, 1592, 1644, 1896, 1990, 2055, 2370, 2388, 2740, 2985, 3160, 3288, 3980, 4110, 4740, 4776, 5480, 5970, 7960, 8220, 9480, 10823, 11940, 15721, 16440, 21646, 23880, 27263, 31442, 32469, 43292, 47163, 54115, 54526, 62884, 64938, 78605, 81789, 86584, 94326, 108230, 109052, 125768, 129876, 136315, 157210, 162345, 163578, 188652, 216460, 218104, 235815, 259752, 272630, 314420, 324690, 327156, 377304, 408945, 432920, 471630, 545260, 628840, 649380, 654312, 817890, 943260, 1090520, 1298760, 1635780, 1886520, 2153777, 3271560, 4307554, 6461331, 8615108, 10768885, 12922662, 17230216, 21537770, 25845324, 32306655, 43075540, 51690648, 64613310, 86151080, 129226620, 258453240]

約数ペア:

[(1, 258453240), (2, 129226620), (3, 86151080), (4, 64613310), (5, 51690648), (6, 43075540), (8, 32306655), (10, 25845324), (12, 21537770), (15, 17230216), (20, 12922662), (24, 10768885), (30, 8615108), (40, 6461331), (60, 4307554), (79, 3271560), (120, 2153777), (137, 1886520), (158, 1635780), (199, 1298760), (237, 1090520), (274, 943260), (316, 817890), (395, 654312), (398, 649380), (411, 628840), (474, 545260), (548, 471630), (597, 432920), (632, 408945), (685, 377304), (790, 327156), (796, 324690), (822, 314420), (948, 272630), (995, 259752), (1096, 235815), (1185, 218104), (1194, 216460), (1370, 188652), (1580, 163578), (1592, 162345), (1644, 157210), (1896, 136315), (1990, 129876), (2055, 125768), (2370, 109052), (2388, 108230), (2740, 94326), (2985, 86584), (3160, 81789), (3288, 78605), (3980, 64938), (4110, 62884), (4740, 54526), (4776, 54115), (5480, 47163), (5970, 43292), (7960, 32469), (8220, 31442), (9480, 27263), (10823, 23880), (11940, 21646), (15721, 16440)]