155020240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101987}}^1$

素因数の和:102019

約数の個数: 40

約数和(自身を含む): 379395360

約数和(自身を除く): 224375120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 101987, 203974, 407948, 509935, 815896, 1019870, 1631792, 1937753, 2039740, 3875506, 4079480, 7751012, 8158960, 9688765, 15502024, 19377530, 31004048, 38755060, 77510120, 155020240]

約数ペア:

[(1, 155020240), (2, 77510120), (4, 38755060), (5, 31004048), (8, 19377530), (10, 15502024), (16, 9688765), (19, 8158960), (20, 7751012), (38, 4079480), (40, 3875506), (76, 2039740), (80, 1937753), (95, 1631792), (152, 1019870), (190, 815896), (304, 509935), (380, 407948), (760, 203974), (1520, 101987)]