79995480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 252806400

約数和(自身を除く): 172810920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 419, 430, 444, 516, 555, 645, 740, 838, 860, 888, 1032, 1110, 1257, 1290, 1480, 1591, 1676, 1720, 2095, 2220, 2514, 2580, 3182, 3352, 4190, 4440, 4773, 5028, 5160, 6285, 6364, 7955, 8380, 9546, 10056, 12570, 12728, 15503, 15910, 16760, 18017, 19092, 23865, 25140, 31006, 31820, 36034, 38184, 46509, 47730, 50280, 54051, 62012, 63640, 72068, 77515, 90085, 93018, 95460, 108102, 124024, 144136, 155030, 180170, 186036, 190920, 216204, 232545, 270255, 310060, 360340, 372072, 432408, 465090, 540510, 620120, 666629, 720680, 930180, 1081020, 1333258, 1860360, 1999887, 2162040, 2666516, 3333145, 3999774, 5333032, 6666290, 7999548, 9999435, 13332580, 15999096, 19998870, 26665160, 39997740, 79995480]

約数ペア:

[(1, 79995480), (2, 39997740), (3, 26665160), (4, 19998870), (5, 15999096), (6, 13332580), (8, 9999435), (10, 7999548), (12, 6666290), (15, 5333032), (20, 3999774), (24, 3333145), (30, 2666516), (37, 2162040), (40, 1999887), (43, 1860360), (60, 1333258), (74, 1081020), (86, 930180), (111, 720680), (120, 666629), (129, 620120), (148, 540510), (172, 465090), (185, 432408), (215, 372072), (222, 360340), (258, 310060), (296, 270255), (344, 232545), (370, 216204), (419, 190920), (430, 186036), (444, 180170), (516, 155030), (555, 144136), (645, 124024), (740, 108102), (838, 95460), (860, 93018), (888, 90085), (1032, 77515), (1110, 72068), (1257, 63640), (1290, 62012), (1480, 54051), (1591, 50280), (1676, 47730), (1720, 46509), (2095, 38184), (2220, 36034), (2514, 31820), (2580, 31006), (3182, 25140), (3352, 23865), (4190, 19092), (4440, 18017), (4773, 16760), (5028, 15910), (5160, 15503), (6285, 12728), (6364, 12570), (7955, 10056), (8380, 9546)]