281240520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 992839680

約数和(自身を除く): 711599160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 83, 85, 88, 102, 110, 120, 132, 136, 151, 165, 166, 170, 187, 204, 220, 249, 255, 264, 302, 330, 332, 340, 374, 408, 415, 440, 453, 498, 510, 561, 604, 660, 664, 680, 748, 755, 830, 906, 913, 935, 996, 1020, 1122, 1208, 1245, 1320, 1411, 1496, 1510, 1660, 1661, 1812, 1826, 1870, 1992, 2040, 2244, 2265, 2490, 2567, 2739, 2805, 2822, 3020, 3320, 3322, 3624, 3652, 3740, 4233, 4488, 4530, 4565, 4980, 4983, 5134, 5478, 5610, 5644, 6040, 6644, 7055, 7304, 7480, 7701, 8305, 8466, 9060, 9130, 9960, 9966, 10268, 10956, 11220, 11288, 12533, 12835, 13288, 13695, 14110, 15402, 15521, 16610, 16932, 18120, 18260, 19932, 20536, 21165, 21912, 22440, 24915, 25066, 25670, 27390, 28220, 28237, 30804, 31042, 33220, 33864, 36520, 37599, 38505, 39864, 42330, 46563, 49830, 50132, 51340, 54780, 56440, 56474, 61608, 62084, 62665, 66440, 75198, 77010, 77605, 84660, 84711, 93126, 99660, 100264, 102680, 109560, 112948, 124168, 125330, 137863, 141185, 150396, 154020, 155210, 169320, 169422, 186252, 187995, 199320, 213061, 225896, 232815, 250660, 275726, 282370, 300792, 308040, 310420, 338844, 372504, 375990, 413589, 423555, 426122, 465630, 501320, 551452, 564740, 620840, 639183, 677688, 689315, 751980, 827178, 847110, 852244, 931260, 1065305, 1102904, 1129480, 1278366, 1378630, 1503960, 1654356, 1694220, 1704488, 1862520, 2067945, 2130610, 2343671, 2556732, 2757260, 3195915, 3308712, 3388440, 4135890, 4261220, 4687342, 5113464, 5514520, 6391830, 7031013, 8271780, 8522440, 9374684, 11718355, 12783660, 14062026, 16543560, 18749368, 23436710, 25567320, 28124052, 35155065, 46873420, 56248104, 70310130, 93746840, 140620260, 281240520]

約数ペア:

[(1, 281240520), (2, 140620260), (3, 93746840), (4, 70310130), (5, 56248104), (6, 46873420), (8, 35155065), (10, 28124052), (11, 25567320), (12, 23436710), (15, 18749368), (17, 16543560), (20, 14062026), (22, 12783660), (24, 11718355), (30, 9374684), (33, 8522440), (34, 8271780), (40, 7031013), (44, 6391830), (51, 5514520), (55, 5113464), (60, 4687342), (66, 4261220), (68, 4135890), (83, 3388440), (85, 3308712), (88, 3195915), (102, 2757260), (110, 2556732), (120, 2343671), (132, 2130610), (136, 2067945), (151, 1862520), (165, 1704488), (166, 1694220), (170, 1654356), (187, 1503960), (204, 1378630), (220, 1278366), (249, 1129480), (255, 1102904), (264, 1065305), (302, 931260), (330, 852244), (332, 847110), (340, 827178), (374, 751980), (408, 689315), (415, 677688), (440, 639183), (453, 620840), (498, 564740), (510, 551452), (561, 501320), (604, 465630), (660, 426122), (664, 423555), (680, 413589), (748, 375990), (755, 372504), (830, 338844), (906, 310420), (913, 308040), (935, 300792), (996, 282370), (1020, 275726), (1122, 250660), (1208, 232815), (1245, 225896), (1320, 213061), (1411, 199320), (1496, 187995), (1510, 186252), (1660, 169422), (1661, 169320), (1812, 155210), (1826, 154020), (1870, 150396), (1992, 141185), (2040, 137863), (2244, 125330), (2265, 124168), (2490, 112948), (2567, 109560), (2739, 102680), (2805, 100264), (2822, 99660), (3020, 93126), (3320, 84711), (3322, 84660), (3624, 77605), (3652, 77010), (3740, 75198), (4233, 66440), (4488, 62665), (4530, 62084), (4565, 61608), (4980, 56474), (4983, 56440), (5134, 54780), (5478, 51340), (5610, 50132), (5644, 49830), (6040, 46563), (6644, 42330), (7055, 39864), (7304, 38505), (7480, 37599), (7701, 36520), (8305, 33864), (8466, 33220), (9060, 31042), (9130, 30804), (9960, 28237), (9966, 28220), (10268, 27390), (10956, 25670), (11220, 25066), (11288, 24915), (12533, 22440), (12835, 21912), (13288, 21165), (13695, 20536), (14110, 19932), (15402, 18260), (15521, 18120), (16610, 16932)]