64148940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18757}}^1$

素因数の和:18791

約数の個数: 72

約数和(自身を含む): 204837360

約数和(自身を除く): 140688420

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, 18757, 37514, 56271, 75028, 93785, 112542, 168813, 187570, 225084, 281355, 337626, 356383, 375140, 562710, 675252, 712766, 844065, 1069149, 1125420, 1425532, 1688130, 1781915, 2138298, 3207447, 3376260, 3563830, 4276596, 5345745, 6414894, 7127660, 10691490, 12829788, 16037235, 21382980, 32074470, 64148940]

約数ペア:

[(1, 64148940), (2, 32074470), (3, 21382980), (4, 16037235), (5, 12829788), (6, 10691490), (9, 7127660), (10, 6414894), (12, 5345745), (15, 4276596), (18, 3563830), (19, 3376260), (20, 3207447), (30, 2138298), (36, 1781915), (38, 1688130), (45, 1425532), (57, 1125420), (60, 1069149), (76, 844065), (90, 712766), (95, 675252), (114, 562710), (171, 375140), (180, 356383), (190, 337626), (228, 281355), (285, 225084), (342, 187570), (380, 168813), (570, 112542), (684, 93785), (855, 75028), (1140, 56271), (1710, 37514), (3420, 18757)]