19290720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40189}}^1$

素因数の和:40207

約数の個数: 48

約数和(自身を含む): 60767280

約数和(自身を除く): 41476560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40189, 80378, 120567, 160756, 200945, 241134, 321512, 401890, 482268, 602835, 643024, 803780, 964536, 1205670, 1286048, 1607560, 1929072, 2411340, 3215120, 3858144, 4822680, 6430240, 9645360, 19290720]

約数ペア:

[(1, 19290720), (2, 9645360), (3, 6430240), (4, 4822680), (5, 3858144), (6, 3215120), (8, 2411340), (10, 1929072), (12, 1607560), (15, 1286048), (16, 1205670), (20, 964536), (24, 803780), (30, 643024), (32, 602835), (40, 482268), (48, 401890), (60, 321512), (80, 241134), (96, 200945), (120, 160756), (160, 120567), (240, 80378), (480, 40189)]