1288508940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{376757}}^1$

素因数の和:376791

約数の個数: 72

約数和(自身を含む): 4114197360

約数和(自身を除く): 2825688420

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, 376757, 753514, 1130271, 1507028, 1883785, 2260542, 3390813, 3767570, 4521084, 5651355, 6781626, 7158383, 7535140, 11302710, 13563252, 14316766, 16954065, 21475149, 22605420, 28633532, 33908130, 35791915, 42950298, 64425447, 67816260, 71583830, 85900596, 107375745, 128850894, 143167660, 214751490, 257701788, 322127235, 429502980, 644254470, 1288508940]

約数ペア:

[(1, 1288508940), (2, 644254470), (3, 429502980), (4, 322127235), (5, 257701788), (6, 214751490), (9, 143167660), (10, 128850894), (12, 107375745), (15, 85900596), (18, 71583830), (19, 67816260), (20, 64425447), (30, 42950298), (36, 35791915), (38, 33908130), (45, 28633532), (57, 22605420), (60, 21475149), (76, 16954065), (90, 14316766), (95, 13563252), (114, 11302710), (171, 7535140), (180, 7158383), (190, 6781626), (228, 5651355), (285, 4521084), (342, 3767570), (380, 3390813), (570, 2260542), (684, 1883785), (855, 1507028), (1140, 1130271), (1710, 753514), (3420, 376757)]