261191760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3083}}^1$

素因数の和:3452

約数の個数: 80

約数和(自身を含む): 812251584

約数和(自身を除く): 551059824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 353, 706, 1059, 1412, 1765, 2118, 2824, 3083, 3530, 4236, 5295, 5648, 6166, 7060, 8472, 9249, 10590, 12332, 14120, 15415, 16944, 18498, 21180, 24664, 28240, 30830, 36996, 42360, 46245, 49328, 61660, 73992, 84720, 92490, 123320, 147984, 184980, 246640, 369960, 739920, 1088299, 2176598, 3264897, 4353196, 5441495, 6529794, 8706392, 10882990, 13059588, 16324485, 17412784, 21765980, 26119176, 32648970, 43531960, 52238352, 65297940, 87063920, 130595880, 261191760]

約数ペア:

[(1, 261191760), (2, 130595880), (3, 87063920), (4, 65297940), (5, 52238352), (6, 43531960), (8, 32648970), (10, 26119176), (12, 21765980), (15, 17412784), (16, 16324485), (20, 13059588), (24, 10882990), (30, 8706392), (40, 6529794), (48, 5441495), (60, 4353196), (80, 3264897), (120, 2176598), (240, 1088299), (353, 739920), (706, 369960), (1059, 246640), (1412, 184980), (1765, 147984), (2118, 123320), (2824, 92490), (3083, 84720), (3530, 73992), (4236, 61660), (5295, 49328), (5648, 46245), (6166, 42360), (7060, 36996), (8472, 30830), (9249, 28240), (10590, 24664), (12332, 21180), (14120, 18498), (15415, 16944)]