217939440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{908081}}^1$

素因数の和:908097

約数の個数: 40

約数和(自身を含む): 675613008

約数和(自身を除く): 457673568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 908081, 1816162, 2724243, 3632324, 4540405, 5448486, 7264648, 9080810, 10896972, 13621215, 14529296, 18161620, 21793944, 27242430, 36323240, 43587888, 54484860, 72646480, 108969720, 217939440]

約数ペア:

[(1, 217939440), (2, 108969720), (3, 72646480), (4, 54484860), (5, 43587888), (6, 36323240), (8, 27242430), (10, 21793944), (12, 18161620), (15, 14529296), (16, 13621215), (20, 10896972), (24, 9080810), (30, 7264648), (40, 5448486), (48, 4540405), (60, 3632324), (80, 2724243), (120, 1816162), (240, 908081)]