80591920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1502

約数の個数: 80

約数和(自身を含む): 202710240

約数和(自身を除く): 122118320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1433, 1480, 1520, 2812, 2866, 2960, 3515, 5624, 5732, 7030, 7165, 11248, 11464, 14060, 14330, 22928, 27227, 28120, 28660, 53021, 54454, 56240, 57320, 106042, 108908, 114640, 136135, 212084, 217816, 265105, 272270, 424168, 435632, 530210, 544540, 848336, 1007399, 1060420, 1089080, 2014798, 2120840, 2178160, 4029596, 4241680, 5036995, 8059192, 10073990, 16118384, 20147980, 40295960, 80591920]

約数ペア:

[(1, 80591920), (2, 40295960), (4, 20147980), (5, 16118384), (8, 10073990), (10, 8059192), (16, 5036995), (19, 4241680), (20, 4029596), (37, 2178160), (38, 2120840), (40, 2014798), (74, 1089080), (76, 1060420), (80, 1007399), (95, 848336), (148, 544540), (152, 530210), (185, 435632), (190, 424168), (296, 272270), (304, 265105), (370, 217816), (380, 212084), (592, 136135), (703, 114640), (740, 108908), (760, 106042), (1406, 57320), (1433, 56240), (1480, 54454), (1520, 53021), (2812, 28660), (2866, 28120), (2960, 27227), (3515, 22928), (5624, 14330), (5732, 14060), (7030, 11464), (7165, 11248)]