88987640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 247104000

約数和(自身を除く): 158116360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 344, 380, 389, 430, 532, 602, 665, 760, 778, 817, 860, 1064, 1204, 1330, 1505, 1556, 1634, 1720, 1945, 2408, 2660, 2723, 3010, 3112, 3268, 3890, 4085, 5320, 5446, 5719, 6020, 6536, 7391, 7780, 8170, 10892, 11438, 12040, 13615, 14782, 15560, 16340, 16727, 21784, 22876, 27230, 28595, 29564, 32680, 33454, 36955, 45752, 51737, 54460, 57190, 59128, 66908, 73910, 83635, 103474, 108920, 114380, 117089, 133816, 147820, 167270, 206948, 228760, 234178, 258685, 295640, 317813, 334540, 413896, 468356, 517370, 585445, 635626, 669080, 936712, 1034740, 1170890, 1271252, 1589065, 2069480, 2224691, 2341780, 2542504, 3178130, 4449382, 4683560, 6356260, 8898764, 11123455, 12712520, 17797528, 22246910, 44493820, 88987640]

約数ペア:

[(1, 88987640), (2, 44493820), (4, 22246910), (5, 17797528), (7, 12712520), (8, 11123455), (10, 8898764), (14, 6356260), (19, 4683560), (20, 4449382), (28, 3178130), (35, 2542504), (38, 2341780), (40, 2224691), (43, 2069480), (56, 1589065), (70, 1271252), (76, 1170890), (86, 1034740), (95, 936712), (133, 669080), (140, 635626), (152, 585445), (172, 517370), (190, 468356), (215, 413896), (266, 334540), (280, 317813), (301, 295640), (344, 258685), (380, 234178), (389, 228760), (430, 206948), (532, 167270), (602, 147820), (665, 133816), (760, 117089), (778, 114380), (817, 108920), (860, 103474), (1064, 83635), (1204, 73910), (1330, 66908), (1505, 59128), (1556, 57190), (1634, 54460), (1720, 51737), (1945, 45752), (2408, 36955), (2660, 33454), (2723, 32680), (3010, 29564), (3112, 28595), (3268, 27230), (3890, 22876), (4085, 21784), (5320, 16727), (5446, 16340), (5719, 15560), (6020, 14782), (6536, 13615), (7391, 12040), (7780, 11438), (8170, 10892)]