128031960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152419}}^1$

素因数の和:152440

約数の個数: 64

約数和(自身を含む): 438969600

約数和(自身を除く): 310937640

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, 152419, 304838, 457257, 609676, 762095, 914514, 1066933, 1219352, 1524190, 1829028, 2133866, 2286285, 3048380, 3200799, 3658056, 4267732, 4572570, 5334665, 6096760, 6401598, 8535464, 9145140, 10669330, 12803196, 16003995, 18290280, 21338660, 25606392, 32007990, 42677320, 64015980, 128031960]

約数ペア:

[(1, 128031960), (2, 64015980), (3, 42677320), (4, 32007990), (5, 25606392), (6, 21338660), (7, 18290280), (8, 16003995), (10, 12803196), (12, 10669330), (14, 9145140), (15, 8535464), (20, 6401598), (21, 6096760), (24, 5334665), (28, 4572570), (30, 4267732), (35, 3658056), (40, 3200799), (42, 3048380), (56, 2286285), (60, 2133866), (70, 1829028), (84, 1524190), (105, 1219352), (120, 1066933), (140, 914514), (168, 762095), (210, 609676), (280, 457257), (420, 304838), (840, 152419)]