161321020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{60647}}^1$

素因数の和:60682

約数の個数: 48

約数和(自身を含む): 407554560

約数和(自身を除く): 246233540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 60647, 121294, 242588, 303235, 424529, 606470, 849058, 1152293, 1212940, 1698116, 2122645, 2304586, 4245290, 4609172, 5761465, 8066051, 8490580, 11522930, 16132102, 23045860, 32264204, 40330255, 80660510, 161321020]

約数ペア:

[(1, 161321020), (2, 80660510), (4, 40330255), (5, 32264204), (7, 23045860), (10, 16132102), (14, 11522930), (19, 8490580), (20, 8066051), (28, 5761465), (35, 4609172), (38, 4245290), (70, 2304586), (76, 2122645), (95, 1698116), (133, 1212940), (140, 1152293), (190, 849058), (266, 606470), (380, 424529), (532, 303235), (665, 242588), (1330, 121294), (2660, 60647)]