65817520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 168377616

約数和(自身を除く): 102560096

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 53, 76, 80, 86, 95, 106, 152, 172, 190, 212, 215, 265, 304, 344, 361, 380, 424, 430, 530, 688, 722, 760, 817, 848, 860, 1007, 1060, 1444, 1520, 1634, 1720, 1805, 2014, 2120, 2279, 2888, 3268, 3440, 3610, 4028, 4085, 4240, 4558, 5035, 5776, 6536, 7220, 8056, 8170, 9116, 10070, 11395, 13072, 14440, 15523, 16112, 16340, 18232, 19133, 20140, 22790, 28880, 31046, 32680, 36464, 38266, 40280, 43301, 45580, 62092, 65360, 76532, 77615, 80560, 86602, 91160, 95665, 124184, 153064, 155230, 173204, 182320, 191330, 216505, 248368, 306128, 310460, 346408, 382660, 433010, 620920, 692816, 765320, 822719, 866020, 1241840, 1530640, 1645438, 1732040, 3290876, 3464080, 4113595, 6581752, 8227190, 13163504, 16454380, 32908760, 65817520]

約数ペア:

[(1, 65817520), (2, 32908760), (4, 16454380), (5, 13163504), (8, 8227190), (10, 6581752), (16, 4113595), (19, 3464080), (20, 3290876), (38, 1732040), (40, 1645438), (43, 1530640), (53, 1241840), (76, 866020), (80, 822719), (86, 765320), (95, 692816), (106, 620920), (152, 433010), (172, 382660), (190, 346408), (212, 310460), (215, 306128), (265, 248368), (304, 216505), (344, 191330), (361, 182320), (380, 173204), (424, 155230), (430, 153064), (530, 124184), (688, 95665), (722, 91160), (760, 86602), (817, 80560), (848, 77615), (860, 76532), (1007, 65360), (1060, 62092), (1444, 45580), (1520, 43301), (1634, 40280), (1720, 38266), (1805, 36464), (2014, 32680), (2120, 31046), (2279, 28880), (2888, 22790), (3268, 20140), (3440, 19133), (3610, 18232), (4028, 16340), (4085, 16112), (4240, 15523), (4558, 14440), (5035, 13072), (5776, 11395), (6536, 10070), (7220, 9116), (8056, 8170)]