281135360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 754088832

約数和(自身を除く): 472953472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 128, 160, 164, 176, 205, 220, 256, 320, 328, 352, 410, 440, 451, 487, 640, 656, 704, 820, 880, 902, 974, 1280, 1312, 1408, 1640, 1760, 1804, 1948, 2255, 2435, 2624, 2816, 3280, 3520, 3608, 3896, 4510, 4870, 5248, 5357, 6560, 7040, 7216, 7792, 9020, 9740, 10496, 10714, 13120, 14080, 14432, 15584, 18040, 19480, 19967, 21428, 26240, 26785, 28864, 31168, 36080, 38960, 39934, 42856, 52480, 53570, 57728, 62336, 72160, 77920, 79868, 85712, 99835, 107140, 115456, 124672, 144320, 155840, 159736, 171424, 199670, 214280, 219637, 288640, 311680, 319472, 342848, 399340, 428560, 439274, 577280, 623360, 638944, 685696, 798680, 857120, 878548, 1098185, 1277888, 1371392, 1597360, 1714240, 1757096, 2196370, 2555776, 3194720, 3428480, 3514192, 4392740, 5111552, 6389440, 6856960, 7028384, 8785480, 12778880, 14056768, 17570960, 25557760, 28113536, 35141920, 56227072, 70283840, 140567680, 281135360]

約数ペア:

[(1, 281135360), (2, 140567680), (4, 70283840), (5, 56227072), (8, 35141920), (10, 28113536), (11, 25557760), (16, 17570960), (20, 14056768), (22, 12778880), (32, 8785480), (40, 7028384), (41, 6856960), (44, 6389440), (55, 5111552), (64, 4392740), (80, 3514192), (82, 3428480), (88, 3194720), (110, 2555776), (128, 2196370), (160, 1757096), (164, 1714240), (176, 1597360), (205, 1371392), (220, 1277888), (256, 1098185), (320, 878548), (328, 857120), (352, 798680), (410, 685696), (440, 638944), (451, 623360), (487, 577280), (640, 439274), (656, 428560), (704, 399340), (820, 342848), (880, 319472), (902, 311680), (974, 288640), (1280, 219637), (1312, 214280), (1408, 199670), (1640, 171424), (1760, 159736), (1804, 155840), (1948, 144320), (2255, 124672), (2435, 115456), (2624, 107140), (2816, 99835), (3280, 85712), (3520, 79868), (3608, 77920), (3896, 72160), (4510, 62336), (4870, 57728), (5248, 53570), (5357, 52480), (6560, 42856), (7040, 39934), (7216, 38960), (7792, 36080), (9020, 31168), (9740, 28864), (10496, 26785), (10714, 26240), (13120, 21428), (14080, 19967), (14432, 19480), (15584, 18040)]