72866480

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3361}}^1$

素因数の和:3645

約数の個数: 40

約数和(自身を含む): 170090304

約数和(自身を除く): 97223824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3361, 4336, 5420, 6722, 10840, 13444, 16805, 21680, 26888, 33610, 53776, 67220, 134440, 268880, 910831, 1821662, 3643324, 4554155, 7286648, 9108310, 14573296, 18216620, 36433240, 72866480]

約数ペア:

[(1, 72866480), (2, 36433240), (4, 18216620), (5, 14573296), (8, 9108310), (10, 7286648), (16, 4554155), (20, 3643324), (40, 1821662), (80, 910831), (271, 268880), (542, 134440), (1084, 67220), (1355, 53776), (2168, 33610), (2710, 26888), (3361, 21680), (4336, 16805), (5420, 13444), (6722, 10840)]