131391720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 446925600

約数和(自身を除く): 315533880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 107, 108, 120, 135, 162, 180, 214, 216, 270, 321, 324, 360, 379, 405, 428, 535, 540, 642, 648, 758, 810, 856, 963, 1070, 1080, 1137, 1284, 1516, 1605, 1620, 1895, 1926, 2140, 2274, 2568, 2889, 3032, 3210, 3240, 3411, 3790, 3852, 4280, 4548, 4815, 5685, 5778, 6420, 6822, 7580, 7704, 8667, 9096, 9630, 10233, 11370, 11556, 12840, 13644, 14445, 15160, 17055, 17334, 19260, 20466, 22740, 23112, 27288, 28890, 30699, 34110, 34668, 38520, 40553, 40932, 43335, 45480, 51165, 57780, 61398, 68220, 69336, 81106, 81864, 86670, 102330, 115560, 121659, 122796, 136440, 153495, 162212, 173340, 202765, 204660, 243318, 245592, 306990, 324424, 346680, 364977, 405530, 409320, 486636, 608295, 613980, 729954, 811060, 973272, 1094931, 1216590, 1227960, 1459908, 1622120, 1824885, 2189862, 2433180, 2919816, 3284793, 3649770, 4379724, 4866360, 5474655, 6569586, 7299540, 8759448, 10949310, 13139172, 14599080, 16423965, 21898620, 26278344, 32847930, 43797240, 65695860, 131391720]

約数ペア:

[(1, 131391720), (2, 65695860), (3, 43797240), (4, 32847930), (5, 26278344), (6, 21898620), (8, 16423965), (9, 14599080), (10, 13139172), (12, 10949310), (15, 8759448), (18, 7299540), (20, 6569586), (24, 5474655), (27, 4866360), (30, 4379724), (36, 3649770), (40, 3284793), (45, 2919816), (54, 2433180), (60, 2189862), (72, 1824885), (81, 1622120), (90, 1459908), (107, 1227960), (108, 1216590), (120, 1094931), (135, 973272), (162, 811060), (180, 729954), (214, 613980), (216, 608295), (270, 486636), (321, 409320), (324, 405530), (360, 364977), (379, 346680), (405, 324424), (428, 306990), (535, 245592), (540, 243318), (642, 204660), (648, 202765), (758, 173340), (810, 162212), (856, 153495), (963, 136440), (1070, 122796), (1080, 121659), (1137, 115560), (1284, 102330), (1516, 86670), (1605, 81864), (1620, 81106), (1895, 69336), (1926, 68220), (2140, 61398), (2274, 57780), (2568, 51165), (2889, 45480), (3032, 43335), (3210, 40932), (3240, 40553), (3411, 38520), (3790, 34668), (3852, 34110), (4280, 30699), (4548, 28890), (4815, 27288), (5685, 23112), (5778, 22740), (6420, 20466), (6822, 19260), (7580, 17334), (7704, 17055), (8667, 15160), (9096, 14445), (9630, 13644), (10233, 12840), (11370, 11556)]