131306720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1000

約数の個数: 96

約数和(自身を含む): 333849600

約数和(自身を除く): 202542880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 376, 380, 470, 608, 752, 760, 893, 919, 940, 1504, 1520, 1786, 1838, 1880, 3040, 3572, 3676, 3760, 4465, 4595, 7144, 7352, 7520, 8930, 9190, 14288, 14704, 17461, 17860, 18380, 28576, 29408, 34922, 35720, 36760, 43193, 69844, 71440, 73520, 86386, 87305, 139688, 142880, 147040, 172772, 174610, 215965, 279376, 345544, 349220, 431930, 558752, 691088, 698440, 820667, 863860, 1382176, 1396880, 1641334, 1727720, 2793760, 3282668, 3455440, 4103335, 6565336, 6910880, 8206670, 13130672, 16413340, 26261344, 32826680, 65653360, 131306720]

約数ペア:

[(1, 131306720), (2, 65653360), (4, 32826680), (5, 26261344), (8, 16413340), (10, 13130672), (16, 8206670), (19, 6910880), (20, 6565336), (32, 4103335), (38, 3455440), (40, 3282668), (47, 2793760), (76, 1727720), (80, 1641334), (94, 1396880), (95, 1382176), (152, 863860), (160, 820667), (188, 698440), (190, 691088), (235, 558752), (304, 431930), (376, 349220), (380, 345544), (470, 279376), (608, 215965), (752, 174610), (760, 172772), (893, 147040), (919, 142880), (940, 139688), (1504, 87305), (1520, 86386), (1786, 73520), (1838, 71440), (1880, 69844), (3040, 43193), (3572, 36760), (3676, 35720), (3760, 34922), (4465, 29408), (4595, 28576), (7144, 18380), (7352, 17860), (7520, 17461), (8930, 14704), (9190, 14288)]