128851920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9419}}^1$

素因数の和:9457

約数の個数: 120

約数和(自身を含む): 455551200

約数和(自身を除く): 326699280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 9419, 13680, 18838, 28257, 37676, 47095, 56514, 75352, 84771, 94190, 113028, 141285, 150704, 169542, 178961, 188380, 226056, 282570, 339084, 357922, 376760, 423855, 452112, 536883, 565140, 678168, 715844, 753520, 847710, 894805, 1073766, 1130280, 1356336, 1431688, 1610649, 1695420, 1789610, 2147532, 2260560, 2684415, 2863376, 3221298, 3390840, 3579220, 4295064, 5368830, 6442596, 6781680, 7158440, 8053245, 8590128, 10737660, 12885192, 14316880, 16106490, 21475320, 25770384, 32212980, 42950640, 64425960, 128851920]

約数ペア:

[(1, 128851920), (2, 64425960), (3, 42950640), (4, 32212980), (5, 25770384), (6, 21475320), (8, 16106490), (9, 14316880), (10, 12885192), (12, 10737660), (15, 8590128), (16, 8053245), (18, 7158440), (19, 6781680), (20, 6442596), (24, 5368830), (30, 4295064), (36, 3579220), (38, 3390840), (40, 3221298), (45, 2863376), (48, 2684415), (57, 2260560), (60, 2147532), (72, 1789610), (76, 1695420), (80, 1610649), (90, 1431688), (95, 1356336), (114, 1130280), (120, 1073766), (144, 894805), (152, 847710), (171, 753520), (180, 715844), (190, 678168), (228, 565140), (240, 536883), (285, 452112), (304, 423855), (342, 376760), (360, 357922), (380, 339084), (456, 282570), (570, 226056), (684, 188380), (720, 178961), (760, 169542), (855, 150704), (912, 141285), (1140, 113028), (1368, 94190), (1520, 84771), (1710, 75352), (2280, 56514), (2736, 47095), (3420, 37676), (4560, 28257), (6840, 18838), (9419, 13680)]