398445360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1660189}}^1$

素因数の和:1660205

約数の個数: 40

約数和(自身を含む): 1235181360

約数和(自身を除く): 836736000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1660189, 3320378, 4980567, 6640756, 8300945, 9961134, 13281512, 16601890, 19922268, 24902835, 26563024, 33203780, 39844536, 49805670, 66407560, 79689072, 99611340, 132815120, 199222680, 398445360]

約数ペア:

[(1, 398445360), (2, 199222680), (3, 132815120), (4, 99611340), (5, 79689072), (6, 66407560), (8, 49805670), (10, 39844536), (12, 33203780), (15, 26563024), (16, 24902835), (20, 19922268), (24, 16601890), (30, 13281512), (40, 9961134), (48, 8300945), (60, 6640756), (80, 4980567), (120, 3320378), (240, 1660189)]