79872100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 232735104

約数和(自身を除く): 152863004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 41, 44, 46, 50, 55, 70, 77, 82, 92, 100, 110, 115, 121, 140, 154, 161, 164, 175, 205, 220, 230, 242, 253, 275, 287, 308, 322, 350, 385, 410, 451, 460, 484, 506, 550, 574, 575, 605, 644, 700, 770, 805, 820, 847, 902, 943, 1012, 1025, 1100, 1148, 1150, 1210, 1265, 1435, 1540, 1610, 1694, 1771, 1804, 1886, 1925, 2050, 2255, 2300, 2420, 2530, 2783, 2870, 3025, 3157, 3220, 3388, 3542, 3772, 3850, 4025, 4100, 4235, 4510, 4715, 4961, 5060, 5566, 5740, 6050, 6314, 6325, 6601, 7084, 7175, 7700, 8050, 8470, 8855, 9020, 9430, 9922, 10373, 11132, 11275, 12100, 12628, 12650, 13202, 13915, 14350, 15785, 16100, 16940, 17710, 18860, 19481, 19844, 20746, 21175, 22550, 23575, 24805, 25300, 26404, 27830, 28700, 31570, 33005, 34727, 35420, 38962, 41492, 42350, 44275, 45100, 47150, 49610, 51865, 55660, 63140, 66010, 69454, 69575, 72611, 77924, 78925, 84700, 88550, 94300, 97405, 99220, 103730, 114103, 124025, 132020, 138908, 139150, 145222, 157850, 165025, 173635, 177100, 194810, 207460, 228206, 248050, 259325, 278300, 290444, 315700, 330050, 347270, 363055, 389620, 456412, 487025, 496100, 518650, 570515, 660100, 694540, 726110, 798721, 868175, 974050, 1037300, 1141030, 1452220, 1597442, 1736350, 1815275, 1948100, 2282060, 2852575, 3194884, 3472700, 3630550, 3993605, 5705150, 7261100, 7987210, 11410300, 15974420, 19968025, 39936050, 79872100]

約数ペア:

[(1, 79872100), (2, 39936050), (4, 19968025), (5, 15974420), (7, 11410300), (10, 7987210), (11, 7261100), (14, 5705150), (20, 3993605), (22, 3630550), (23, 3472700), (25, 3194884), (28, 2852575), (35, 2282060), (41, 1948100), (44, 1815275), (46, 1736350), (50, 1597442), (55, 1452220), (70, 1141030), (77, 1037300), (82, 974050), (92, 868175), (100, 798721), (110, 726110), (115, 694540), (121, 660100), (140, 570515), (154, 518650), (161, 496100), (164, 487025), (175, 456412), (205, 389620), (220, 363055), (230, 347270), (242, 330050), (253, 315700), (275, 290444), (287, 278300), (308, 259325), (322, 248050), (350, 228206), (385, 207460), (410, 194810), (451, 177100), (460, 173635), (484, 165025), (506, 157850), (550, 145222), (574, 139150), (575, 138908), (605, 132020), (644, 124025), (700, 114103), (770, 103730), (805, 99220), (820, 97405), (847, 94300), (902, 88550), (943, 84700), (1012, 78925), (1025, 77924), (1100, 72611), (1148, 69575), (1150, 69454), (1210, 66010), (1265, 63140), (1435, 55660), (1540, 51865), (1610, 49610), (1694, 47150), (1771, 45100), (1804, 44275), (1886, 42350), (1925, 41492), (2050, 38962), (2255, 35420), (2300, 34727), (2420, 33005), (2530, 31570), (2783, 28700), (2870, 27830), (3025, 26404), (3157, 25300), (3220, 24805), (3388, 23575), (3542, 22550), (3772, 21175), (3850, 20746), (4025, 19844), (4100, 19481), (4235, 18860), (4510, 17710), (4715, 16940), (4961, 16100), (5060, 15785), (5566, 14350), (5740, 13915), (6050, 13202), (6314, 12650), (6325, 12628), (6601, 12100), (7084, 11275), (7175, 11132), (7700, 10373), (8050, 9922), (8470, 9430), (8855, 9020)]