121353760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 331817472

約数和(自身を除く): 210463712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 191, 209, 220, 304, 352, 361, 380, 382, 418, 440, 608, 722, 760, 764, 836, 880, 955, 1045, 1444, 1520, 1528, 1672, 1760, 1805, 1910, 2090, 2101, 2888, 3040, 3056, 3344, 3610, 3629, 3820, 3971, 4180, 4202, 5776, 6112, 6688, 7220, 7258, 7640, 7942, 8360, 8404, 10505, 11552, 14440, 14516, 15280, 15884, 16720, 16808, 18145, 19855, 21010, 28880, 29032, 30560, 31768, 33440, 33616, 36290, 39710, 39919, 42020, 57760, 58064, 63536, 67232, 68951, 72580, 79420, 79838, 84040, 116128, 127072, 137902, 145160, 158840, 159676, 168080, 199595, 275804, 290320, 317680, 319352, 336160, 344755, 399190, 551608, 580640, 635360, 638704, 689510, 758461, 798380, 1103216, 1277408, 1379020, 1516922, 1596760, 2206432, 2758040, 3033844, 3193520, 3792305, 5516080, 6067688, 6387040, 7584610, 11032160, 12135376, 15169220, 24270752, 30338440, 60676880, 121353760]

約数ペア:

[(1, 121353760), (2, 60676880), (4, 30338440), (5, 24270752), (8, 15169220), (10, 12135376), (11, 11032160), (16, 7584610), (19, 6387040), (20, 6067688), (22, 5516080), (32, 3792305), (38, 3193520), (40, 3033844), (44, 2758040), (55, 2206432), (76, 1596760), (80, 1516922), (88, 1379020), (95, 1277408), (110, 1103216), (152, 798380), (160, 758461), (176, 689510), (190, 638704), (191, 635360), (209, 580640), (220, 551608), (304, 399190), (352, 344755), (361, 336160), (380, 319352), (382, 317680), (418, 290320), (440, 275804), (608, 199595), (722, 168080), (760, 159676), (764, 158840), (836, 145160), (880, 137902), (955, 127072), (1045, 116128), (1444, 84040), (1520, 79838), (1528, 79420), (1672, 72580), (1760, 68951), (1805, 67232), (1910, 63536), (2090, 58064), (2101, 57760), (2888, 42020), (3040, 39919), (3056, 39710), (3344, 36290), (3610, 33616), (3629, 33440), (3820, 31768), (3971, 30560), (4180, 29032), (4202, 28880), (5776, 21010), (6112, 19855), (6688, 18145), (7220, 16808), (7258, 16720), (7640, 15884), (7942, 15280), (8360, 14516), (8404, 14440), (10505, 11552)]