51510480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30661}}^1$

素因数の和:30684

約数の個数: 80

約数和(自身を含む): 182500224

約数和(自身を除く): 130989744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30661, 61322, 91983, 122644, 153305, 183966, 214627, 245288, 306610, 367932, 429254, 459915, 490576, 613220, 643881, 735864, 858508, 919830, 1073135, 1226440, 1287762, 1471728, 1717016, 1839660, 2146270, 2452880, 2575524, 3219405, 3434032, 3679320, 4292540, 5151048, 6438810, 7358640, 8585080, 10302096, 12877620, 17170160, 25755240, 51510480]

約数ペア:

[(1, 51510480), (2, 25755240), (3, 17170160), (4, 12877620), (5, 10302096), (6, 8585080), (7, 7358640), (8, 6438810), (10, 5151048), (12, 4292540), (14, 3679320), (15, 3434032), (16, 3219405), (20, 2575524), (21, 2452880), (24, 2146270), (28, 1839660), (30, 1717016), (35, 1471728), (40, 1287762), (42, 1226440), (48, 1073135), (56, 919830), (60, 858508), (70, 735864), (80, 643881), (84, 613220), (105, 490576), (112, 459915), (120, 429254), (140, 367932), (168, 306610), (210, 245288), (240, 214627), (280, 183966), (336, 153305), (420, 122644), (560, 91983), (840, 61322), (1680, 30661)]