287756560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 870944256

約数和(自身を除く): 583187696

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 47, 52, 56, 58, 65, 70, 80, 91, 94, 104, 112, 116, 130, 140, 145, 182, 188, 203, 208, 232, 235, 260, 280, 290, 329, 364, 376, 377, 406, 455, 464, 470, 520, 560, 580, 611, 658, 728, 752, 754, 812, 841, 910, 940, 1015, 1040, 1160, 1222, 1316, 1363, 1456, 1508, 1624, 1645, 1682, 1820, 1880, 1885, 2030, 2320, 2444, 2632, 2639, 2726, 3016, 3055, 3248, 3290, 3364, 3640, 3760, 3770, 4060, 4205, 4277, 4888, 5264, 5278, 5452, 5887, 6032, 6110, 6580, 6728, 6815, 7280, 7540, 8120, 8410, 8554, 9541, 9776, 10556, 10904, 10933, 11774, 12220, 13160, 13195, 13456, 13630, 15080, 16240, 16820, 17108, 17719, 19082, 21112, 21385, 21808, 21866, 23548, 24440, 26320, 26390, 27260, 29435, 30160, 33640, 34216, 35438, 38164, 39527, 42224, 42770, 43732, 47096, 47705, 48880, 52780, 54520, 54665, 58870, 67280, 68432, 70876, 76328, 76531, 79054, 85540, 87464, 88595, 94192, 95410, 105560, 109040, 109330, 117740, 124033, 141752, 152656, 153062, 158108, 171080, 174928, 177190, 190820, 197635, 211120, 218660, 235480, 248066, 276689, 283504, 306124, 316216, 342160, 354380, 381640, 382655, 395270, 437320, 470960, 496132, 513851, 553378, 612248, 620165, 632432, 708760, 763280, 765310, 790540, 874640, 992264, 1027702, 1106756, 1224496, 1240330, 1383445, 1417520, 1530620, 1581080, 1984528, 2055404, 2213512, 2480660, 2569255, 2766890, 3061240, 3162160, 3596957, 4110808, 4427024, 4961320, 5138510, 5533780, 6122480, 7193914, 8221616, 9922640, 10277020, 11067560, 14387828, 17984785, 20554040, 22135120, 28775656, 35969570, 41108080, 57551312, 71939140, 143878280, 287756560]

約数ペア:

[(1, 287756560), (2, 143878280), (4, 71939140), (5, 57551312), (7, 41108080), (8, 35969570), (10, 28775656), (13, 22135120), (14, 20554040), (16, 17984785), (20, 14387828), (26, 11067560), (28, 10277020), (29, 9922640), (35, 8221616), (40, 7193914), (47, 6122480), (52, 5533780), (56, 5138510), (58, 4961320), (65, 4427024), (70, 4110808), (80, 3596957), (91, 3162160), (94, 3061240), (104, 2766890), (112, 2569255), (116, 2480660), (130, 2213512), (140, 2055404), (145, 1984528), (182, 1581080), (188, 1530620), (203, 1417520), (208, 1383445), (232, 1240330), (235, 1224496), (260, 1106756), (280, 1027702), (290, 992264), (329, 874640), (364, 790540), (376, 765310), (377, 763280), (406, 708760), (455, 632432), (464, 620165), (470, 612248), (520, 553378), (560, 513851), (580, 496132), (611, 470960), (658, 437320), (728, 395270), (752, 382655), (754, 381640), (812, 354380), (841, 342160), (910, 316216), (940, 306124), (1015, 283504), (1040, 276689), (1160, 248066), (1222, 235480), (1316, 218660), (1363, 211120), (1456, 197635), (1508, 190820), (1624, 177190), (1645, 174928), (1682, 171080), (1820, 158108), (1880, 153062), (1885, 152656), (2030, 141752), (2320, 124033), (2444, 117740), (2632, 109330), (2639, 109040), (2726, 105560), (3016, 95410), (3055, 94192), (3248, 88595), (3290, 87464), (3364, 85540), (3640, 79054), (3760, 76531), (3770, 76328), (4060, 70876), (4205, 68432), (4277, 67280), (4888, 58870), (5264, 54665), (5278, 54520), (5452, 52780), (5887, 48880), (6032, 47705), (6110, 47096), (6580, 43732), (6728, 42770), (6815, 42224), (7280, 39527), (7540, 38164), (8120, 35438), (8410, 34216), (8554, 33640), (9541, 30160), (9776, 29435), (10556, 27260), (10904, 26390), (10933, 26320), (11774, 24440), (12220, 23548), (13160, 21866), (13195, 21808), (13456, 21385), (13630, 21112), (15080, 19082), (16240, 17719), (16820, 17108)]