76800560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 190836000

約数和(自身を除く): 114035440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 379, 596, 680, 745, 758, 1192, 1360, 1490, 1516, 1895, 2384, 2533, 2980, 3032, 3790, 5066, 5960, 6064, 6443, 7580, 10132, 11920, 12665, 12886, 15160, 20264, 25330, 25772, 30320, 32215, 40528, 50660, 51544, 56471, 64430, 101320, 103088, 112942, 128860, 202640, 225884, 257720, 282355, 451768, 515440, 564710, 903536, 960007, 1129420, 1920014, 2258840, 3840028, 4517680, 4800035, 7680056, 9600070, 15360112, 19200140, 38400280, 76800560]

約数ペア:

[(1, 76800560), (2, 38400280), (4, 19200140), (5, 15360112), (8, 9600070), (10, 7680056), (16, 4800035), (17, 4517680), (20, 3840028), (34, 2258840), (40, 1920014), (68, 1129420), (80, 960007), (85, 903536), (136, 564710), (149, 515440), (170, 451768), (272, 282355), (298, 257720), (340, 225884), (379, 202640), (596, 128860), (680, 112942), (745, 103088), (758, 101320), (1192, 64430), (1360, 56471), (1490, 51544), (1516, 50660), (1895, 40528), (2384, 32215), (2533, 30320), (2980, 25772), (3032, 25330), (3790, 20264), (5066, 15160), (5960, 12886), (6064, 12665), (6443, 11920), (7580, 10132)]