256935840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1699

約数の個数: 192

約数和(自身を含む): 945229824

約数和(自身を除く): 688293984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 210, 224, 235, 240, 280, 282, 329, 336, 376, 420, 470, 480, 560, 564, 658, 672, 705, 752, 840, 940, 987, 1120, 1128, 1316, 1410, 1504, 1627, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3254, 3290, 3360, 3760, 3948, 4512, 4881, 4935, 5264, 5640, 6508, 6580, 7520, 7896, 8135, 9762, 9870, 10528, 11280, 11389, 13016, 13160, 15792, 16270, 19524, 19740, 22560, 22778, 24405, 26032, 26320, 31584, 32540, 34167, 39048, 39480, 45556, 48810, 52064, 52640, 56945, 65080, 68334, 76469, 78096, 78960, 91112, 97620, 113890, 130160, 136668, 152938, 156192, 157920, 170835, 182224, 195240, 227780, 229407, 260320, 273336, 305876, 341670, 364448, 382345, 390480, 455560, 458814, 535283, 546672, 611752, 683340, 764690, 780960, 911120, 917628, 1070566, 1093344, 1147035, 1223504, 1366680, 1529380, 1605849, 1822240, 1835256, 2141132, 2294070, 2447008, 2676415, 2733360, 3058760, 3211698, 3670512, 4282264, 4588140, 5352830, 5466720, 6117520, 6423396, 7341024, 8029245, 8564528, 9176280, 10705660, 12235040, 12846792, 16058490, 17129056, 18352560, 21411320, 25693584, 32116980, 36705120, 42822640, 51387168, 64233960, 85645280, 128467920, 256935840]

約数ペア:

[(1, 256935840), (2, 128467920), (3, 85645280), (4, 64233960), (5, 51387168), (6, 42822640), (7, 36705120), (8, 32116980), (10, 25693584), (12, 21411320), (14, 18352560), (15, 17129056), (16, 16058490), (20, 12846792), (21, 12235040), (24, 10705660), (28, 9176280), (30, 8564528), (32, 8029245), (35, 7341024), (40, 6423396), (42, 6117520), (47, 5466720), (48, 5352830), (56, 4588140), (60, 4282264), (70, 3670512), (80, 3211698), (84, 3058760), (94, 2733360), (96, 2676415), (105, 2447008), (112, 2294070), (120, 2141132), (140, 1835256), (141, 1822240), (160, 1605849), (168, 1529380), (188, 1366680), (210, 1223504), (224, 1147035), (235, 1093344), (240, 1070566), (280, 917628), (282, 911120), (329, 780960), (336, 764690), (376, 683340), (420, 611752), (470, 546672), (480, 535283), (560, 458814), (564, 455560), (658, 390480), (672, 382345), (705, 364448), (752, 341670), (840, 305876), (940, 273336), (987, 260320), (1120, 229407), (1128, 227780), (1316, 195240), (1410, 182224), (1504, 170835), (1627, 157920), (1645, 156192), (1680, 152938), (1880, 136668), (1974, 130160), (2256, 113890), (2632, 97620), (2820, 91112), (3254, 78960), (3290, 78096), (3360, 76469), (3760, 68334), (3948, 65080), (4512, 56945), (4881, 52640), (4935, 52064), (5264, 48810), (5640, 45556), (6508, 39480), (6580, 39048), (7520, 34167), (7896, 32540), (8135, 31584), (9762, 26320), (9870, 26032), (10528, 24405), (11280, 22778), (11389, 22560), (13016, 19740), (13160, 19524), (15792, 16270)]