263280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1097}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 816912

約数和(自身を除く): 553632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1097, 2194, 3291, 4388, 5485, 6582, 8776, 10970, 13164, 16455, 17552, 21940, 26328, 32910, 43880, 52656, 65820, 87760, 131640, 263280]

約数ペア:

[(1, 263280), (2, 131640), (3, 87760), (4, 65820), (5, 52656), (6, 43880), (8, 32910), (10, 26328), (12, 21940), (15, 17552), (16, 16455), (20, 13164), (24, 10970), (30, 8776), (40, 6582), (48, 5485), (60, 4388), (80, 3291), (120, 2194), (240, 1097)]