1687400880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{639167}}^1$

素因数の和:639194

約数の個数: 80

約数和(自身を含む): 5706491904

約数和(自身を除く): 4019091024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 639167, 1278334, 1917501, 2556668, 3195835, 3835002, 5113336, 6391670, 7030837, 7670004, 9587505, 10226672, 12783340, 14061674, 15340008, 19175010, 21092511, 25566680, 28123348, 30680016, 35154185, 38350020, 42185022, 51133360, 56246696, 70308370, 76700040, 84370044, 105462555, 112493392, 140616740, 153400080, 168740088, 210925110, 281233480, 337480176, 421850220, 562466960, 843700440, 1687400880]

約数ペア:

[(1, 1687400880), (2, 843700440), (3, 562466960), (4, 421850220), (5, 337480176), (6, 281233480), (8, 210925110), (10, 168740088), (11, 153400080), (12, 140616740), (15, 112493392), (16, 105462555), (20, 84370044), (22, 76700040), (24, 70308370), (30, 56246696), (33, 51133360), (40, 42185022), (44, 38350020), (48, 35154185), (55, 30680016), (60, 28123348), (66, 25566680), (80, 21092511), (88, 19175010), (110, 15340008), (120, 14061674), (132, 12783340), (165, 10226672), (176, 9587505), (220, 7670004), (240, 7030837), (264, 6391670), (330, 5113336), (440, 3835002), (528, 3195835), (660, 2556668), (880, 1917501), (1320, 1278334), (2640, 639167)]