121208320

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:555

約数の個数: 80

約数和(自身を含む): 293887440

約数和(自身を除く): 172679120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 419, 452, 512, 565, 640, 838, 904, 1130, 1280, 1676, 1808, 2095, 2260, 2560, 3352, 3616, 4190, 4520, 6704, 7232, 8380, 9040, 13408, 14464, 16760, 18080, 26816, 28928, 33520, 36160, 47347, 53632, 57856, 67040, 72320, 94694, 107264, 134080, 144640, 189388, 214528, 236735, 268160, 289280, 378776, 473470, 536320, 757552, 946940, 1072640, 1515104, 1893880, 3030208, 3787760, 6060416, 7575520, 12120832, 15151040, 24241664, 30302080, 60604160, 121208320]

約数ペア:

[(1, 121208320), (2, 60604160), (4, 30302080), (5, 24241664), (8, 15151040), (10, 12120832), (16, 7575520), (20, 6060416), (32, 3787760), (40, 3030208), (64, 1893880), (80, 1515104), (113, 1072640), (128, 946940), (160, 757552), (226, 536320), (256, 473470), (320, 378776), (419, 289280), (452, 268160), (512, 236735), (565, 214528), (640, 189388), (838, 144640), (904, 134080), (1130, 107264), (1280, 94694), (1676, 72320), (1808, 67040), (2095, 57856), (2260, 53632), (2560, 47347), (3352, 36160), (3616, 33520), (4190, 28928), (4520, 26816), (6704, 18080), (7232, 16760), (8380, 14464), (9040, 13408)]