120690855

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 216609120

約数和(自身を除く): 95918265

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 173, 185, 333, 419, 519, 555, 865, 1257, 1557, 1665, 2095, 2595, 3771, 6285, 6401, 7785, 15503, 18855, 19203, 32005, 46509, 57609, 72487, 77515, 96015, 139527, 217461, 232545, 288045, 362435, 652383, 697635, 1087305, 2682019, 3261915, 8046057, 13410095, 24138171, 40230285, 120690855]

約数ペア:

[(1, 120690855), (3, 40230285), (5, 24138171), (9, 13410095), (15, 8046057), (37, 3261915), (45, 2682019), (111, 1087305), (173, 697635), (185, 652383), (333, 362435), (419, 288045), (519, 232545), (555, 217461), (865, 139527), (1257, 96015), (1557, 77515), (1665, 72487), (2095, 57609), (2595, 46509), (3771, 32005), (6285, 19203), (6401, 18855), (7785, 15503)]