85689520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9001}}^1$

素因数の和:9038

約数の個数: 80

約数和(自身を含む): 241109568

約数和(自身を除く): 155420048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9001, 9520, 18002, 36004, 45005, 63007, 72008, 90010, 126014, 144016, 153017, 180020, 252028, 306034, 315035, 360040, 504056, 612068, 630070, 720080, 765085, 1008112, 1071119, 1224136, 1260140, 1530170, 2142238, 2448272, 2520280, 3060340, 4284476, 5040560, 5355595, 6120680, 8568952, 10711190, 12241360, 17137904, 21422380, 42844760, 85689520]

約数ペア:

[(1, 85689520), (2, 42844760), (4, 21422380), (5, 17137904), (7, 12241360), (8, 10711190), (10, 8568952), (14, 6120680), (16, 5355595), (17, 5040560), (20, 4284476), (28, 3060340), (34, 2520280), (35, 2448272), (40, 2142238), (56, 1530170), (68, 1260140), (70, 1224136), (80, 1071119), (85, 1008112), (112, 765085), (119, 720080), (136, 630070), (140, 612068), (170, 504056), (238, 360040), (272, 315035), (280, 306034), (340, 252028), (476, 180020), (560, 153017), (595, 144016), (680, 126014), (952, 90010), (1190, 72008), (1360, 63007), (1904, 45005), (2380, 36004), (4760, 18002), (9001, 9520)]