30720088

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 74057760

約数和(自身を除く): 43337672

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 61, 68, 92, 119, 122, 136, 161, 184, 238, 244, 322, 391, 427, 476, 488, 529, 644, 782, 854, 952, 1037, 1058, 1288, 1403, 1564, 1708, 2074, 2116, 2737, 2806, 3128, 3416, 3703, 4148, 4232, 5474, 5612, 7259, 7406, 8296, 8993, 9821, 10948, 11224, 14518, 14812, 17986, 19642, 21896, 23851, 29036, 29624, 32269, 35972, 39284, 47702, 58072, 62951, 64538, 71944, 78568, 95404, 125902, 129076, 166957, 190808, 225883, 251804, 258152, 333914, 451766, 503608, 548573, 667828, 903532, 1097146, 1335656, 1807064, 2194292, 3840011, 4388584, 7680022, 15360044, 30720088]

約数ペア:

[(1, 30720088), (2, 15360044), (4, 7680022), (7, 4388584), (8, 3840011), (14, 2194292), (17, 1807064), (23, 1335656), (28, 1097146), (34, 903532), (46, 667828), (56, 548573), (61, 503608), (68, 451766), (92, 333914), (119, 258152), (122, 251804), (136, 225883), (161, 190808), (184, 166957), (238, 129076), (244, 125902), (322, 95404), (391, 78568), (427, 71944), (476, 64538), (488, 62951), (529, 58072), (644, 47702), (782, 39284), (854, 35972), (952, 32269), (1037, 29624), (1058, 29036), (1288, 23851), (1403, 21896), (1564, 19642), (1708, 17986), (2074, 14812), (2116, 14518), (2737, 11224), (2806, 10948), (3128, 9821), (3416, 8993), (3703, 8296), (4148, 7406), (4232, 7259), (5474, 5612)]