208446240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 488283360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 79, 80, 92, 96, 115, 120, 138, 158, 160, 184, 230, 237, 239, 240, 276, 316, 345, 368, 395, 460, 474, 478, 480, 552, 632, 690, 717, 736, 790, 920, 948, 956, 1104, 1185, 1195, 1264, 1380, 1434, 1580, 1817, 1840, 1896, 1912, 2208, 2370, 2390, 2528, 2760, 2868, 3160, 3585, 3634, 3680, 3792, 3824, 4740, 4780, 5451, 5497, 5520, 5736, 6320, 7170, 7268, 7584, 7648, 9085, 9480, 9560, 10902, 10994, 11040, 11472, 12640, 14340, 14536, 16491, 18170, 18881, 18960, 19120, 21804, 21988, 22944, 27255, 27485, 28680, 29072, 32982, 36340, 37762, 37920, 38240, 43608, 43976, 54510, 54970, 56643, 57360, 58144, 65964, 72680, 75524, 82455, 87216, 87952, 94405, 109020, 109940, 113286, 114720, 131928, 145360, 151048, 164910, 174432, 175904, 188810, 218040, 219880, 226572, 263856, 283215, 290720, 302096, 329820, 377620, 434263, 436080, 439760, 453144, 527712, 566430, 604192, 659640, 755240, 868526, 872160, 879520, 906288, 1132860, 1302789, 1319280, 1510480, 1737052, 1812576, 2171315, 2265720, 2605578, 2638560, 3020960, 3474104, 4342630, 4531440, 5211156, 6513945, 6948208, 8685260, 9062880, 10422312, 13027890, 13896416, 17370520, 20844624, 26055780, 34741040, 41689248, 52111560, 69482080, 104223120, 208446240]

約数ペア:

[(1, 208446240), (2, 104223120), (3, 69482080), (4, 52111560), (5, 41689248), (6, 34741040), (8, 26055780), (10, 20844624), (12, 17370520), (15, 13896416), (16, 13027890), (20, 10422312), (23, 9062880), (24, 8685260), (30, 6948208), (32, 6513945), (40, 5211156), (46, 4531440), (48, 4342630), (60, 3474104), (69, 3020960), (79, 2638560), (80, 2605578), (92, 2265720), (96, 2171315), (115, 1812576), (120, 1737052), (138, 1510480), (158, 1319280), (160, 1302789), (184, 1132860), (230, 906288), (237, 879520), (239, 872160), (240, 868526), (276, 755240), (316, 659640), (345, 604192), (368, 566430), (395, 527712), (460, 453144), (474, 439760), (478, 436080), (480, 434263), (552, 377620), (632, 329820), (690, 302096), (717, 290720), (736, 283215), (790, 263856), (920, 226572), (948, 219880), (956, 218040), (1104, 188810), (1185, 175904), (1195, 174432), (1264, 164910), (1380, 151048), (1434, 145360), (1580, 131928), (1817, 114720), (1840, 113286), (1896, 109940), (1912, 109020), (2208, 94405), (2370, 87952), (2390, 87216), (2528, 82455), (2760, 75524), (2868, 72680), (3160, 65964), (3585, 58144), (3634, 57360), (3680, 56643), (3792, 54970), (3824, 54510), (4740, 43976), (4780, 43608), (5451, 38240), (5497, 37920), (5520, 37762), (5736, 36340), (6320, 32982), (7170, 29072), (7268, 28680), (7584, 27485), (7648, 27255), (9085, 22944), (9480, 21988), (9560, 21804), (10902, 19120), (10994, 18960), (11040, 18881), (11472, 18170), (12640, 16491), (14340, 14536)]