256783860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75083}}^1$

素因数の和:75117

約数の個数: 72

約数和(自身を含む): 819917280

約数和(自身を除く): 563133420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 75083, 150166, 225249, 300332, 375415, 450498, 675747, 750830, 900996, 1126245, 1351494, 1426577, 1501660, 2252490, 2702988, 2853154, 3378735, 4279731, 4504980, 5706308, 6757470, 7132885, 8559462, 12839193, 13514940, 14265770, 17118924, 21398655, 25678386, 28531540, 42797310, 51356772, 64195965, 85594620, 128391930, 256783860]

約数ペア:

[(1, 256783860), (2, 128391930), (3, 85594620), (4, 64195965), (5, 51356772), (6, 42797310), (9, 28531540), (10, 25678386), (12, 21398655), (15, 17118924), (18, 14265770), (19, 13514940), (20, 12839193), (30, 8559462), (36, 7132885), (38, 6757470), (45, 5706308), (57, 4504980), (60, 4279731), (76, 3378735), (90, 2853154), (95, 2702988), (114, 2252490), (171, 1501660), (180, 1426577), (190, 1351494), (228, 1126245), (285, 900996), (342, 750830), (380, 675747), (570, 450498), (684, 375415), (855, 300332), (1140, 225249), (1710, 150166), (3420, 75083)]