131308240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 391849920

約数和(自身を除く): 260541680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 43, 49, 56, 70, 76, 80, 82, 86, 95, 98, 112, 133, 140, 152, 164, 172, 190, 196, 205, 215, 245, 266, 280, 287, 301, 304, 328, 344, 380, 392, 410, 430, 490, 532, 560, 574, 602, 656, 665, 688, 760, 779, 784, 817, 820, 860, 931, 980, 1064, 1148, 1204, 1330, 1435, 1505, 1520, 1558, 1634, 1640, 1720, 1763, 1862, 1960, 2009, 2107, 2128, 2296, 2408, 2660, 2870, 3010, 3116, 3268, 3280, 3440, 3526, 3724, 3895, 3920, 4018, 4085, 4214, 4592, 4655, 4816, 5320, 5453, 5719, 5740, 6020, 6232, 6536, 7052, 7448, 7790, 8036, 8170, 8428, 8815, 9310, 10045, 10535, 10640, 10906, 11438, 11480, 12040, 12341, 12464, 13072, 14104, 14896, 15580, 16072, 16340, 16856, 17630, 18620, 20090, 21070, 21812, 22876, 22960, 24080, 24682, 27265, 28208, 28595, 31160, 32144, 32680, 33497, 33712, 35260, 37240, 38171, 40033, 40180, 42140, 43624, 45752, 49364, 54530, 57190, 61705, 62320, 65360, 66994, 70520, 74480, 76342, 80066, 80360, 84280, 86387, 87248, 91504, 98728, 109060, 114380, 123410, 133988, 141040, 152684, 160132, 160720, 167485, 168560, 172774, 190855, 197456, 200165, 218120, 228760, 234479, 246820, 267976, 305368, 320264, 334970, 345548, 381710, 400330, 431935, 436240, 457520, 468958, 493640, 535952, 610736, 640528, 669940, 691096, 763420, 800660, 863870, 937916, 987280, 1172395, 1339880, 1382192, 1526840, 1601320, 1641353, 1727740, 1875832, 2344790, 2679760, 3053680, 3202640, 3282706, 3455480, 3751664, 4689580, 6565412, 6910960, 8206765, 9379160, 13130824, 16413530, 18758320, 26261648, 32827060, 65654120, 131308240]

約数ペア:

[(1, 131308240), (2, 65654120), (4, 32827060), (5, 26261648), (7, 18758320), (8, 16413530), (10, 13130824), (14, 9379160), (16, 8206765), (19, 6910960), (20, 6565412), (28, 4689580), (35, 3751664), (38, 3455480), (40, 3282706), (41, 3202640), (43, 3053680), (49, 2679760), (56, 2344790), (70, 1875832), (76, 1727740), (80, 1641353), (82, 1601320), (86, 1526840), (95, 1382192), (98, 1339880), (112, 1172395), (133, 987280), (140, 937916), (152, 863870), (164, 800660), (172, 763420), (190, 691096), (196, 669940), (205, 640528), (215, 610736), (245, 535952), (266, 493640), (280, 468958), (287, 457520), (301, 436240), (304, 431935), (328, 400330), (344, 381710), (380, 345548), (392, 334970), (410, 320264), (430, 305368), (490, 267976), (532, 246820), (560, 234479), (574, 228760), (602, 218120), (656, 200165), (665, 197456), (688, 190855), (760, 172774), (779, 168560), (784, 167485), (817, 160720), (820, 160132), (860, 152684), (931, 141040), (980, 133988), (1064, 123410), (1148, 114380), (1204, 109060), (1330, 98728), (1435, 91504), (1505, 87248), (1520, 86387), (1558, 84280), (1634, 80360), (1640, 80066), (1720, 76342), (1763, 74480), (1862, 70520), (1960, 66994), (2009, 65360), (2107, 62320), (2128, 61705), (2296, 57190), (2408, 54530), (2660, 49364), (2870, 45752), (3010, 43624), (3116, 42140), (3268, 40180), (3280, 40033), (3440, 38171), (3526, 37240), (3724, 35260), (3895, 33712), (3920, 33497), (4018, 32680), (4085, 32144), (4214, 31160), (4592, 28595), (4655, 28208), (4816, 27265), (5320, 24682), (5453, 24080), (5719, 22960), (5740, 22876), (6020, 21812), (6232, 21070), (6536, 20090), (7052, 18620), (7448, 17630), (7790, 16856), (8036, 16340), (8170, 16072), (8428, 15580), (8815, 14896), (9310, 14104), (10045, 13072), (10535, 12464), (10640, 12341), (10906, 12040), (11438, 11480)]