128379960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 442423800

約数和(自身を除く): 314043840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 137, 152, 171, 180, 190, 228, 274, 285, 342, 360, 380, 411, 456, 548, 570, 684, 685, 760, 822, 855, 1096, 1140, 1233, 1368, 1370, 1644, 1710, 2055, 2280, 2466, 2603, 2740, 3288, 3420, 4110, 4932, 5206, 5480, 6165, 6840, 7809, 8220, 9864, 10412, 12330, 13015, 15618, 16440, 18769, 20824, 23427, 24660, 26030, 31236, 37538, 39045, 46854, 49320, 52060, 56307, 62472, 75076, 78090, 93708, 93845, 104120, 112614, 117135, 150152, 156180, 168921, 187416, 187690, 225228, 234270, 281535, 312360, 337842, 356611, 375380, 450456, 468540, 563070, 675684, 713222, 750760, 844605, 937080, 1069833, 1126140, 1351368, 1426444, 1689210, 1783055, 2139666, 2252280, 2852888, 3209499, 3378420, 3566110, 4279332, 5349165, 6418998, 6756840, 7132220, 8558664, 10698330, 12837996, 14264440, 16047495, 21396660, 25675992, 32094990, 42793320, 64189980, 128379960]

約数ペア:

[(1, 128379960), (2, 64189980), (3, 42793320), (4, 32094990), (5, 25675992), (6, 21396660), (8, 16047495), (9, 14264440), (10, 12837996), (12, 10698330), (15, 8558664), (18, 7132220), (19, 6756840), (20, 6418998), (24, 5349165), (30, 4279332), (36, 3566110), (38, 3378420), (40, 3209499), (45, 2852888), (57, 2252280), (60, 2139666), (72, 1783055), (76, 1689210), (90, 1426444), (95, 1351368), (114, 1126140), (120, 1069833), (137, 937080), (152, 844605), (171, 750760), (180, 713222), (190, 675684), (228, 563070), (274, 468540), (285, 450456), (342, 375380), (360, 356611), (380, 337842), (411, 312360), (456, 281535), (548, 234270), (570, 225228), (684, 187690), (685, 187416), (760, 168921), (822, 156180), (855, 150152), (1096, 117135), (1140, 112614), (1233, 104120), (1368, 93845), (1370, 93708), (1644, 78090), (1710, 75076), (2055, 62472), (2280, 56307), (2466, 52060), (2603, 49320), (2740, 46854), (3288, 39045), (3420, 37538), (4110, 31236), (4932, 26030), (5206, 24660), (5480, 23427), (6165, 20824), (6840, 18769), (7809, 16440), (8220, 15618), (9864, 13015), (10412, 12330)]