1640776480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{3137}}^1$

素因数の和:3626

約数の個数: 96

約数和(自身を含む): 4440998016

約数和(自身を除く): 2800221536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 467, 560, 934, 1120, 1868, 2335, 3137, 3269, 3736, 4670, 6274, 6538, 7472, 9340, 12548, 13076, 14944, 15685, 16345, 18680, 21959, 25096, 26152, 31370, 32690, 37360, 43918, 50192, 52304, 62740, 65380, 74720, 87836, 100384, 104608, 109795, 125480, 130760, 175672, 219590, 250960, 261520, 351344, 439180, 501920, 523040, 702688, 878360, 1464979, 1756720, 2929958, 3513440, 5859916, 7324895, 10254853, 11719832, 14649790, 20509706, 23439664, 29299580, 41019412, 46879328, 51274265, 58599160, 82038824, 102548530, 117198320, 164077648, 205097060, 234396640, 328155296, 410194120, 820388240, 1640776480]

約数ペア:

[(1, 1640776480), (2, 820388240), (4, 410194120), (5, 328155296), (7, 234396640), (8, 205097060), (10, 164077648), (14, 117198320), (16, 102548530), (20, 82038824), (28, 58599160), (32, 51274265), (35, 46879328), (40, 41019412), (56, 29299580), (70, 23439664), (80, 20509706), (112, 14649790), (140, 11719832), (160, 10254853), (224, 7324895), (280, 5859916), (467, 3513440), (560, 2929958), (934, 1756720), (1120, 1464979), (1868, 878360), (2335, 702688), (3137, 523040), (3269, 501920), (3736, 439180), (4670, 351344), (6274, 261520), (6538, 250960), (7472, 219590), (9340, 175672), (12548, 130760), (13076, 125480), (14944, 109795), (15685, 104608), (16345, 100384), (18680, 87836), (21959, 74720), (25096, 65380), (26152, 62740), (31370, 52304), (32690, 50192), (37360, 43918)]