638175040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2520

約数の個数: 112

約数和(自身を含む): 1637507520

約数和(自身を除く): 999332480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1376, 1520, 1634, 1720, 2441, 2752, 3040, 3268, 3440, 4085, 4882, 6080, 6536, 6880, 8170, 9764, 12205, 13072, 13760, 16340, 19528, 24410, 26144, 32680, 39056, 46379, 48820, 52288, 65360, 78112, 92758, 97640, 104963, 130720, 156224, 185516, 195280, 209926, 231895, 261440, 371032, 390560, 419852, 463790, 524815, 742064, 781120, 839704, 927580, 1049630, 1484128, 1679408, 1855160, 1994297, 2099260, 2968256, 3358816, 3710320, 3988594, 4198520, 6717632, 7420640, 7977188, 8397040, 9971485, 14841280, 15954376, 16794080, 19942970, 31908752, 33588160, 39885940, 63817504, 79771880, 127635008, 159543760, 319087520, 638175040]

約数ペア:

[(1, 638175040), (2, 319087520), (4, 159543760), (5, 127635008), (8, 79771880), (10, 63817504), (16, 39885940), (19, 33588160), (20, 31908752), (32, 19942970), (38, 16794080), (40, 15954376), (43, 14841280), (64, 9971485), (76, 8397040), (80, 7977188), (86, 7420640), (95, 6717632), (152, 4198520), (160, 3988594), (172, 3710320), (190, 3358816), (215, 2968256), (304, 2099260), (320, 1994297), (344, 1855160), (380, 1679408), (430, 1484128), (608, 1049630), (688, 927580), (760, 839704), (817, 781120), (860, 742064), (1216, 524815), (1376, 463790), (1520, 419852), (1634, 390560), (1720, 371032), (2441, 261440), (2752, 231895), (3040, 209926), (3268, 195280), (3440, 185516), (4085, 156224), (4882, 130720), (6080, 104963), (6536, 97640), (6880, 92758), (8170, 78112), (9764, 65360), (12205, 52288), (13072, 48820), (13760, 46379), (16340, 39056), (19528, 32680), (24410, 26144)]