153142640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5581}}^1$

素因数の和:5615

約数の個数: 80

約数和(自身を含む): 415300800

約数和(自身を除く): 262158160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 5581, 6860, 11162, 13720, 22324, 27440, 27905, 39067, 44648, 55810, 78134, 89296, 111620, 156268, 195335, 223240, 273469, 312536, 390670, 446480, 546938, 625072, 781340, 1093876, 1367345, 1562680, 1914283, 2187752, 2734690, 3125360, 3828566, 4375504, 5469380, 7657132, 9571415, 10938760, 15314264, 19142830, 21877520, 30628528, 38285660, 76571320, 153142640]

約数ペア:

[(1, 153142640), (2, 76571320), (4, 38285660), (5, 30628528), (7, 21877520), (8, 19142830), (10, 15314264), (14, 10938760), (16, 9571415), (20, 7657132), (28, 5469380), (35, 4375504), (40, 3828566), (49, 3125360), (56, 2734690), (70, 2187752), (80, 1914283), (98, 1562680), (112, 1367345), (140, 1093876), (196, 781340), (245, 625072), (280, 546938), (343, 446480), (392, 390670), (490, 312536), (560, 273469), (686, 223240), (784, 195335), (980, 156268), (1372, 111620), (1715, 89296), (1960, 78134), (2744, 55810), (3430, 44648), (3920, 39067), (5488, 27905), (5581, 27440), (6860, 22324), (11162, 13720)]