19643280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81847}}^1$

素因数の和:81863

約数の個数: 40

約数和(自身を含む): 60894912

約数和(自身を除く): 41251632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81847, 163694, 245541, 327388, 409235, 491082, 654776, 818470, 982164, 1227705, 1309552, 1636940, 1964328, 2455410, 3273880, 3928656, 4910820, 6547760, 9821640, 19643280]

約数ペア:

[(1, 19643280), (2, 9821640), (3, 6547760), (4, 4910820), (5, 3928656), (6, 3273880), (8, 2455410), (10, 1964328), (12, 1636940), (15, 1309552), (16, 1227705), (20, 982164), (24, 818470), (30, 654776), (40, 491082), (48, 409235), (60, 327388), (80, 245541), (120, 163694), (240, 81847)]