1213231360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 3193545600

約数和(自身を除く): 1980314240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 199, 220, 256, 320, 352, 398, 433, 440, 640, 704, 796, 866, 880, 995, 1280, 1408, 1592, 1732, 1760, 1990, 2165, 2189, 2816, 3184, 3464, 3520, 3980, 4330, 4378, 4763, 6368, 6928, 7040, 7960, 8660, 8756, 9526, 10945, 12736, 13856, 14080, 15920, 17320, 17512, 19052, 21890, 23815, 25472, 27712, 31840, 34640, 35024, 38104, 43780, 47630, 50944, 55424, 63680, 69280, 70048, 76208, 86167, 87560, 95260, 110848, 127360, 138560, 140096, 152416, 172334, 175120, 190520, 254720, 277120, 280192, 304832, 344668, 350240, 381040, 430835, 554240, 560384, 609664, 689336, 700480, 762080, 861670, 947837, 1219328, 1378672, 1400960, 1524160, 1723340, 1895674, 2757344, 2801920, 3048320, 3446680, 3791348, 4739185, 5514688, 6096640, 6893360, 7582696, 9478370, 11029376, 13786720, 15165392, 18956740, 22058752, 27573440, 30330784, 37913480, 55146880, 60661568, 75826960, 110293760, 121323136, 151653920, 242646272, 303307840, 606615680, 1213231360]

約数ペア:

[(1, 1213231360), (2, 606615680), (4, 303307840), (5, 242646272), (8, 151653920), (10, 121323136), (11, 110293760), (16, 75826960), (20, 60661568), (22, 55146880), (32, 37913480), (40, 30330784), (44, 27573440), (55, 22058752), (64, 18956740), (80, 15165392), (88, 13786720), (110, 11029376), (128, 9478370), (160, 7582696), (176, 6893360), (199, 6096640), (220, 5514688), (256, 4739185), (320, 3791348), (352, 3446680), (398, 3048320), (433, 2801920), (440, 2757344), (640, 1895674), (704, 1723340), (796, 1524160), (866, 1400960), (880, 1378672), (995, 1219328), (1280, 947837), (1408, 861670), (1592, 762080), (1732, 700480), (1760, 689336), (1990, 609664), (2165, 560384), (2189, 554240), (2816, 430835), (3184, 381040), (3464, 350240), (3520, 344668), (3980, 304832), (4330, 280192), (4378, 277120), (4763, 254720), (6368, 190520), (6928, 175120), (7040, 172334), (7960, 152416), (8660, 140096), (8756, 138560), (9526, 127360), (10945, 110848), (12736, 95260), (13856, 87560), (14080, 86167), (15920, 76208), (17320, 70048), (17512, 69280), (19052, 63680), (21890, 55424), (23815, 50944), (25472, 47630), (27712, 43780), (31840, 38104), (34640, 35024)]