21080169760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4951}}^1$

素因数の和:5091

約数の個数: 192

約数和(自身を含む): 56604925440

約数和(自身を除く): 35524755680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 89, 92, 104, 115, 130, 160, 178, 184, 208, 230, 260, 299, 356, 368, 416, 445, 460, 520, 598, 712, 736, 890, 920, 1040, 1157, 1196, 1424, 1495, 1780, 1840, 2047, 2080, 2314, 2392, 2848, 2990, 3560, 3680, 4094, 4628, 4784, 4951, 5785, 5980, 7120, 8188, 9256, 9568, 9902, 10235, 11570, 11960, 14240, 16376, 18512, 19804, 20470, 23140, 23920, 24755, 26611, 32752, 37024, 39608, 40940, 46280, 47840, 49510, 53222, 64363, 65504, 79216, 81880, 92560, 99020, 106444, 113873, 128726, 133055, 158432, 163760, 185120, 198040, 212888, 227746, 257452, 266110, 321815, 327520, 396080, 425776, 440639, 455492, 514904, 532220, 569365, 643630, 792160, 851552, 881278, 910984, 1029808, 1064440, 1138730, 1287260, 1480349, 1762556, 1821968, 2059616, 2128880, 2203195, 2277460, 2574520, 2960698, 3525112, 3643936, 4257760, 4406390, 4554920, 5149040, 5728307, 5921396, 7050224, 7401745, 8812780, 9109840, 10134697, 10298080, 11456614, 11842792, 14100448, 14803490, 17625560, 18219680, 20269394, 22913228, 23685584, 28641535, 29606980, 35251120, 40538788, 45826456, 47371168, 50673485, 57283070, 59213960, 70502240, 81077576, 91652912, 101346970, 114566140, 118427920, 131751061, 162155152, 183305824, 202693940, 229132280, 236855840, 263502122, 324310304, 405387880, 458264560, 527004244, 658755305, 810775760, 916529120, 1054008488, 1317510610, 1621551520, 2108016976, 2635021220, 4216033952, 5270042440, 10540084880, 21080169760]

約数ペア:

[(1, 21080169760), (2, 10540084880), (4, 5270042440), (5, 4216033952), (8, 2635021220), (10, 2108016976), (13, 1621551520), (16, 1317510610), (20, 1054008488), (23, 916529120), (26, 810775760), (32, 658755305), (40, 527004244), (46, 458264560), (52, 405387880), (65, 324310304), (80, 263502122), (89, 236855840), (92, 229132280), (104, 202693940), (115, 183305824), (130, 162155152), (160, 131751061), (178, 118427920), (184, 114566140), (208, 101346970), (230, 91652912), (260, 81077576), (299, 70502240), (356, 59213960), (368, 57283070), (416, 50673485), (445, 47371168), (460, 45826456), (520, 40538788), (598, 35251120), (712, 29606980), (736, 28641535), (890, 23685584), (920, 22913228), (1040, 20269394), (1157, 18219680), (1196, 17625560), (1424, 14803490), (1495, 14100448), (1780, 11842792), (1840, 11456614), (2047, 10298080), (2080, 10134697), (2314, 9109840), (2392, 8812780), (2848, 7401745), (2990, 7050224), (3560, 5921396), (3680, 5728307), (4094, 5149040), (4628, 4554920), (4784, 4406390), (4951, 4257760), (5785, 3643936), (5980, 3525112), (7120, 2960698), (8188, 2574520), (9256, 2277460), (9568, 2203195), (9902, 2128880), (10235, 2059616), (11570, 1821968), (11960, 1762556), (14240, 1480349), (16376, 1287260), (18512, 1138730), (19804, 1064440), (20470, 1029808), (23140, 910984), (23920, 881278), (24755, 851552), (26611, 792160), (32752, 643630), (37024, 569365), (39608, 532220), (40940, 514904), (46280, 455492), (47840, 440639), (49510, 425776), (53222, 396080), (64363, 327520), (65504, 321815), (79216, 266110), (81880, 257452), (92560, 227746), (99020, 212888), (106444, 198040), (113873, 185120), (128726, 163760), (133055, 158432)]