1718396720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{2729}}^1$

素因数の和:3222

約数の個数: 80

約数和(自身を含む): 4240978560

約数和(自身を除く): 2522581840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 463, 680, 926, 1360, 1852, 2315, 2729, 3704, 4630, 5458, 7408, 7871, 9260, 10916, 13645, 15742, 18520, 21832, 27290, 31484, 37040, 39355, 43664, 46393, 54580, 62968, 78710, 92786, 109160, 125936, 157420, 185572, 218320, 231965, 314840, 371144, 463930, 629680, 742288, 927860, 1263527, 1855720, 2527054, 3711440, 5054108, 6317635, 10108216, 12635270, 20216432, 21479959, 25270540, 42959918, 50541080, 85919836, 101082160, 107399795, 171839672, 214799590, 343679344, 429599180, 859198360, 1718396720]

約数ペア:

[(1, 1718396720), (2, 859198360), (4, 429599180), (5, 343679344), (8, 214799590), (10, 171839672), (16, 107399795), (17, 101082160), (20, 85919836), (34, 50541080), (40, 42959918), (68, 25270540), (80, 21479959), (85, 20216432), (136, 12635270), (170, 10108216), (272, 6317635), (340, 5054108), (463, 3711440), (680, 2527054), (926, 1855720), (1360, 1263527), (1852, 927860), (2315, 742288), (2729, 629680), (3704, 463930), (4630, 371144), (5458, 314840), (7408, 231965), (7871, 218320), (9260, 185572), (10916, 157420), (13645, 125936), (15742, 109160), (18520, 92786), (21832, 78710), (27290, 62968), (31484, 54580), (37040, 46393), (39355, 43664)]