221497680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{922907}}^1$

素因数の和:922923

約数の個数: 40

約数和(自身を含む): 686643552

約数和(自身を除く): 465145872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 922907, 1845814, 2768721, 3691628, 4614535, 5537442, 7383256, 9229070, 11074884, 13843605, 14766512, 18458140, 22149768, 27687210, 36916280, 44299536, 55374420, 73832560, 110748840, 221497680]

約数ペア:

[(1, 221497680), (2, 110748840), (3, 73832560), (4, 55374420), (5, 44299536), (6, 36916280), (8, 27687210), (10, 22149768), (12, 18458140), (15, 14766512), (16, 13843605), (20, 11074884), (24, 9229070), (30, 7383256), (40, 5537442), (48, 4614535), (60, 3691628), (80, 2768721), (120, 1845814), (240, 922907)]