128030280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152417}}^1$

素因数の和:152438

約数の個数: 64

約数和(自身を含む): 438963840

約数和(自身を除く): 310933560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152417, 304834, 457251, 609668, 762085, 914502, 1066919, 1219336, 1524170, 1829004, 2133838, 2286255, 3048340, 3200757, 3658008, 4267676, 4572510, 5334595, 6096680, 6401514, 8535352, 9145020, 10669190, 12803028, 16003785, 18290040, 21338380, 25606056, 32007570, 42676760, 64015140, 128030280]

約数ペア:

[(1, 128030280), (2, 64015140), (3, 42676760), (4, 32007570), (5, 25606056), (6, 21338380), (7, 18290040), (8, 16003785), (10, 12803028), (12, 10669190), (14, 9145020), (15, 8535352), (20, 6401514), (21, 6096680), (24, 5334595), (28, 4572510), (30, 4267676), (35, 3658008), (40, 3200757), (42, 3048340), (56, 2286255), (60, 2133838), (70, 1829004), (84, 1524170), (105, 1219336), (120, 1066919), (140, 914502), (168, 762085), (210, 609668), (280, 457251), (420, 304834), (840, 152417)]