266778880

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 676678464

約数和(自身を除く): 409899584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 128, 131, 148, 160, 172, 185, 215, 256, 262, 296, 320, 344, 370, 430, 524, 592, 640, 655, 688, 740, 860, 1048, 1184, 1280, 1310, 1376, 1480, 1591, 1720, 2096, 2368, 2620, 2752, 2960, 3182, 3440, 4192, 4736, 4847, 5240, 5504, 5633, 5920, 6364, 6880, 7955, 8384, 9472, 9694, 10480, 11008, 11266, 11840, 12728, 13760, 15910, 16768, 19388, 20960, 22532, 23680, 24235, 25456, 27520, 28165, 31820, 33536, 38776, 41920, 45064, 47360, 48470, 50912, 55040, 56330, 63640, 77552, 83840, 90128, 96940, 101824, 112660, 127280, 155104, 167680, 180256, 193880, 203648, 208421, 225320, 254560, 310208, 360512, 387760, 407296, 416842, 450640, 509120, 620416, 721024, 775520, 833684, 901280, 1018240, 1042105, 1240832, 1442048, 1551040, 1667368, 1802560, 2036480, 2084210, 3102080, 3334736, 3605120, 4168420, 6204160, 6669472, 7210240, 8336840, 13338944, 16673680, 26677888, 33347360, 53355776, 66694720, 133389440, 266778880]

約数ペア:

[(1, 266778880), (2, 133389440), (4, 66694720), (5, 53355776), (8, 33347360), (10, 26677888), (16, 16673680), (20, 13338944), (32, 8336840), (37, 7210240), (40, 6669472), (43, 6204160), (64, 4168420), (74, 3605120), (80, 3334736), (86, 3102080), (128, 2084210), (131, 2036480), (148, 1802560), (160, 1667368), (172, 1551040), (185, 1442048), (215, 1240832), (256, 1042105), (262, 1018240), (296, 901280), (320, 833684), (344, 775520), (370, 721024), (430, 620416), (524, 509120), (592, 450640), (640, 416842), (655, 407296), (688, 387760), (740, 360512), (860, 310208), (1048, 254560), (1184, 225320), (1280, 208421), (1310, 203648), (1376, 193880), (1480, 180256), (1591, 167680), (1720, 155104), (2096, 127280), (2368, 112660), (2620, 101824), (2752, 96940), (2960, 90128), (3182, 83840), (3440, 77552), (4192, 63640), (4736, 56330), (4847, 55040), (5240, 50912), (5504, 48470), (5633, 47360), (5920, 45064), (6364, 41920), (6880, 38776), (7955, 33536), (8384, 31820), (9472, 28165), (9694, 27520), (10480, 25456), (11008, 24235), (11266, 23680), (11840, 22532), (12728, 20960), (13760, 19388), (15910, 16768)]