123210320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 294647808

約数和(自身を除く): 171437488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 127, 134, 181, 254, 268, 335, 362, 508, 536, 635, 670, 724, 905, 1016, 1072, 1270, 1340, 1448, 1810, 2032, 2540, 2680, 2896, 3620, 5080, 5360, 7240, 8509, 10160, 12127, 14480, 17018, 22987, 24254, 34036, 42545, 45974, 48508, 60635, 68072, 85090, 91948, 97016, 114935, 121270, 136144, 170180, 183896, 194032, 229870, 242540, 340360, 367792, 459740, 485080, 680720, 919480, 970160, 1540129, 1838960, 3080258, 6160516, 7700645, 12321032, 15401290, 24642064, 30802580, 61605160, 123210320]

約数ペア:

[(1, 123210320), (2, 61605160), (4, 30802580), (5, 24642064), (8, 15401290), (10, 12321032), (16, 7700645), (20, 6160516), (40, 3080258), (67, 1838960), (80, 1540129), (127, 970160), (134, 919480), (181, 680720), (254, 485080), (268, 459740), (335, 367792), (362, 340360), (508, 242540), (536, 229870), (635, 194032), (670, 183896), (724, 170180), (905, 136144), (1016, 121270), (1072, 114935), (1270, 97016), (1340, 91948), (1448, 85090), (1810, 68072), (2032, 60635), (2540, 48508), (2680, 45974), (2896, 42545), (3620, 34036), (5080, 24254), (5360, 22987), (7240, 17018), (8509, 14480), (10160, 12127)]