218739720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 684195840

約数和(自身を除く): 465456120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 127, 155, 186, 248, 254, 310, 372, 381, 463, 465, 508, 620, 635, 744, 762, 926, 930, 1016, 1240, 1270, 1389, 1524, 1852, 1860, 1905, 2315, 2540, 2778, 3048, 3704, 3720, 3810, 3937, 4630, 5080, 5556, 6945, 7620, 7874, 9260, 11112, 11811, 13890, 14353, 15240, 15748, 18520, 19685, 23622, 27780, 28706, 31496, 39370, 43059, 47244, 55560, 57412, 58801, 59055, 71765, 78740, 86118, 94488, 114824, 117602, 118110, 143530, 157480, 172236, 176403, 215295, 235204, 236220, 287060, 294005, 344472, 352806, 430590, 470408, 472440, 574120, 588010, 705612, 861180, 882015, 1176020, 1411224, 1722360, 1764030, 1822831, 2352040, 3528060, 3645662, 5468493, 7056120, 7291324, 9114155, 10936986, 14582648, 18228310, 21873972, 27342465, 36456620, 43747944, 54684930, 72913240, 109369860, 218739720]

約数ペア:

[(1, 218739720), (2, 109369860), (3, 72913240), (4, 54684930), (5, 43747944), (6, 36456620), (8, 27342465), (10, 21873972), (12, 18228310), (15, 14582648), (20, 10936986), (24, 9114155), (30, 7291324), (31, 7056120), (40, 5468493), (60, 3645662), (62, 3528060), (93, 2352040), (120, 1822831), (124, 1764030), (127, 1722360), (155, 1411224), (186, 1176020), (248, 882015), (254, 861180), (310, 705612), (372, 588010), (381, 574120), (463, 472440), (465, 470408), (508, 430590), (620, 352806), (635, 344472), (744, 294005), (762, 287060), (926, 236220), (930, 235204), (1016, 215295), (1240, 176403), (1270, 172236), (1389, 157480), (1524, 143530), (1852, 118110), (1860, 117602), (1905, 114824), (2315, 94488), (2540, 86118), (2778, 78740), (3048, 71765), (3704, 59055), (3720, 58801), (3810, 57412), (3937, 55560), (4630, 47244), (5080, 43059), (5556, 39370), (6945, 31496), (7620, 28706), (7874, 27780), (9260, 23622), (11112, 19685), (11811, 18520), (13890, 15748), (14353, 15240)]