281262960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2136

約数の個数: 240

約数和(自身を含む): 1091581920

約数和(自身を除く): 810318960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 528, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1020, 1122, 1224, 1320, 1360, 1496, 1530, 1584, 1683, 1870, 1980, 2040, 2089, 2244, 2448, 2640, 2805, 2992, 3060, 3366, 3740, 3960, 4080, 4178, 4488, 5610, 6120, 6267, 6732, 7480, 7920, 8356, 8415, 8976, 10445, 11220, 12240, 12534, 13464, 14960, 16712, 16830, 18801, 20890, 22440, 22979, 25068, 26928, 31335, 33424, 33660, 35513, 37602, 41780, 44880, 45958, 50136, 62670, 67320, 68937, 71026, 75204, 83560, 91916, 94005, 100272, 106539, 114895, 125340, 134640, 137874, 142052, 150408, 167120, 177565, 183832, 188010, 206811, 213078, 229790, 250680, 275748, 284104, 300816, 319617, 344685, 355130, 367664, 376020, 390643, 413622, 426156, 459580, 501360, 532695, 551496, 568208, 639234, 689370, 710260, 752040, 781286, 827244, 852312, 919160, 1034055, 1065390, 1102992, 1171929, 1278468, 1378740, 1420520, 1504080, 1562572, 1598085, 1654488, 1704624, 1838320, 1953215, 2068110, 2130780, 2343858, 2556936, 2757480, 2841040, 3125144, 3196170, 3308976, 3515787, 3906430, 4136220, 4261560, 4687716, 5113872, 5514960, 5859645, 6250288, 6392340, 7031574, 7812860, 8272440, 8523120, 9375432, 11719290, 12784680, 14063148, 15625720, 16544880, 17578935, 18750864, 23438580, 25569360, 28126296, 31251440, 35157870, 46877160, 56252592, 70315740, 93754320, 140631480, 281262960]

約数ペア:

[(1, 281262960), (2, 140631480), (3, 93754320), (4, 70315740), (5, 56252592), (6, 46877160), (8, 35157870), (9, 31251440), (10, 28126296), (11, 25569360), (12, 23438580), (15, 18750864), (16, 17578935), (17, 16544880), (18, 15625720), (20, 14063148), (22, 12784680), (24, 11719290), (30, 9375432), (33, 8523120), (34, 8272440), (36, 7812860), (40, 7031574), (44, 6392340), (45, 6250288), (48, 5859645), (51, 5514960), (55, 5113872), (60, 4687716), (66, 4261560), (68, 4136220), (72, 3906430), (80, 3515787), (85, 3308976), (88, 3196170), (90, 3125144), (99, 2841040), (102, 2757480), (110, 2556936), (120, 2343858), (132, 2130780), (136, 2068110), (144, 1953215), (153, 1838320), (165, 1704624), (170, 1654488), (176, 1598085), (180, 1562572), (187, 1504080), (198, 1420520), (204, 1378740), (220, 1278468), (240, 1171929), (255, 1102992), (264, 1065390), (272, 1034055), (306, 919160), (330, 852312), (340, 827244), (360, 781286), (374, 752040), (396, 710260), (408, 689370), (440, 639234), (495, 568208), (510, 551496), (528, 532695), (561, 501360), (612, 459580), (660, 426156), (680, 413622), (720, 390643), (748, 376020), (765, 367664), (792, 355130), (816, 344685), (880, 319617), (935, 300816), (990, 284104), (1020, 275748), (1122, 250680), (1224, 229790), (1320, 213078), (1360, 206811), (1496, 188010), (1530, 183832), (1584, 177565), (1683, 167120), (1870, 150408), (1980, 142052), (2040, 137874), (2089, 134640), (2244, 125340), (2448, 114895), (2640, 106539), (2805, 100272), (2992, 94005), (3060, 91916), (3366, 83560), (3740, 75204), (3960, 71026), (4080, 68937), (4178, 67320), (4488, 62670), (5610, 50136), (6120, 45958), (6267, 44880), (6732, 41780), (7480, 37602), (7920, 35513), (8356, 33660), (8415, 33424), (8976, 31335), (10445, 26928), (11220, 25068), (12240, 22979), (12534, 22440), (13464, 20890), (14960, 18801), (16712, 16830)]