280008840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2333407}}^1$

素因数の和:2333421

約数の個数: 32

約数和(自身を含む): 840026880

約数和(自身を除く): 560018040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2333407, 4666814, 7000221, 9333628, 11667035, 14000442, 18667256, 23334070, 28000884, 35001105, 46668140, 56001768, 70002210, 93336280, 140004420, 280008840]

約数ペア:

[(1, 280008840), (2, 140004420), (3, 93336280), (4, 70002210), (5, 56001768), (6, 46668140), (8, 35001105), (10, 28000884), (12, 23334070), (15, 18667256), (20, 14000442), (24, 11667035), (30, 9333628), (40, 7000221), (60, 4666814), (120, 2333407)]