7644840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 27648000

約数和(自身を除く): 20003160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 479, 532, 570, 665, 760, 798, 840, 958, 1064, 1140, 1330, 1437, 1596, 1916, 1995, 2280, 2395, 2660, 2874, 3192, 3353, 3832, 3990, 4790, 5320, 5748, 6706, 7185, 7980, 9101, 9580, 10059, 11496, 13412, 14370, 15960, 16765, 18202, 19160, 20118, 26824, 27303, 28740, 33530, 36404, 40236, 45505, 50295, 54606, 57480, 63707, 67060, 72808, 80472, 91010, 100590, 109212, 127414, 134120, 136515, 182020, 191121, 201180, 218424, 254828, 273030, 318535, 364040, 382242, 402360, 509656, 546060, 637070, 764484, 955605, 1092120, 1274140, 1528968, 1911210, 2548280, 3822420, 7644840]

約数ペア:

[(1, 7644840), (2, 3822420), (3, 2548280), (4, 1911210), (5, 1528968), (6, 1274140), (7, 1092120), (8, 955605), (10, 764484), (12, 637070), (14, 546060), (15, 509656), (19, 402360), (20, 382242), (21, 364040), (24, 318535), (28, 273030), (30, 254828), (35, 218424), (38, 201180), (40, 191121), (42, 182020), (56, 136515), (57, 134120), (60, 127414), (70, 109212), (76, 100590), (84, 91010), (95, 80472), (105, 72808), (114, 67060), (120, 63707), (133, 57480), (140, 54606), (152, 50295), (168, 45505), (190, 40236), (210, 36404), (228, 33530), (266, 28740), (280, 27303), (285, 26824), (380, 20118), (399, 19160), (420, 18202), (456, 16765), (479, 15960), (532, 14370), (570, 13412), (665, 11496), (760, 10059), (798, 9580), (840, 9101), (958, 7980), (1064, 7185), (1140, 6706), (1330, 5748), (1437, 5320), (1596, 4790), (1916, 3990), (1995, 3832), (2280, 3353), (2395, 3192), (2660, 2874)]