78848440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1481}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 195268320

約数和(自身を除く): 116419880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 1481, 2420, 2662, 2962, 4840, 5324, 5924, 6655, 7405, 10648, 11848, 13310, 14810, 16291, 26620, 29620, 32582, 53240, 59240, 65164, 81455, 130328, 162910, 179201, 325820, 358402, 651640, 716804, 896005, 1433608, 1792010, 1971211, 3584020, 3942422, 7168040, 7884844, 9856055, 15769688, 19712110, 39424220, 78848440]

約数ペア:

[(1, 78848440), (2, 39424220), (4, 19712110), (5, 15769688), (8, 9856055), (10, 7884844), (11, 7168040), (20, 3942422), (22, 3584020), (40, 1971211), (44, 1792010), (55, 1433608), (88, 896005), (110, 716804), (121, 651640), (220, 358402), (242, 325820), (440, 179201), (484, 162910), (605, 130328), (968, 81455), (1210, 65164), (1331, 59240), (1481, 53240), (2420, 32582), (2662, 29620), (2962, 26620), (4840, 16291), (5324, 14810), (5924, 13310), (6655, 11848), (7405, 10648)]