78794520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4977

約数の個数: 128

約数和(自身を含む): 284428800

約数和(自身を除く): 205634280

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, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4937, 5320, 7980, 9874, 14811, 15960, 19748, 24685, 29622, 34559, 39496, 49370, 59244, 69118, 74055, 93803, 98740, 103677, 118488, 138236, 148110, 172795, 187606, 197480, 207354, 276472, 281409, 296220, 345590, 375212, 414708, 469015, 518385, 562818, 592440, 656621, 691180, 750424, 829416, 938030, 1036770, 1125636, 1313242, 1382360, 1407045, 1876060, 1969863, 2073540, 2251272, 2626484, 2814090, 3283105, 3752120, 3939726, 4147080, 5252968, 5628180, 6566210, 7879452, 9849315, 11256360, 13132420, 15758904, 19698630, 26264840, 39397260, 78794520]

約数ペア:

[(1, 78794520), (2, 39397260), (3, 26264840), (4, 19698630), (5, 15758904), (6, 13132420), (7, 11256360), (8, 9849315), (10, 7879452), (12, 6566210), (14, 5628180), (15, 5252968), (19, 4147080), (20, 3939726), (21, 3752120), (24, 3283105), (28, 2814090), (30, 2626484), (35, 2251272), (38, 2073540), (40, 1969863), (42, 1876060), (56, 1407045), (57, 1382360), (60, 1313242), (70, 1125636), (76, 1036770), (84, 938030), (95, 829416), (105, 750424), (114, 691180), (120, 656621), (133, 592440), (140, 562818), (152, 518385), (168, 469015), (190, 414708), (210, 375212), (228, 345590), (266, 296220), (280, 281409), (285, 276472), (380, 207354), (399, 197480), (420, 187606), (456, 172795), (532, 148110), (570, 138236), (665, 118488), (760, 103677), (798, 98740), (840, 93803), (1064, 74055), (1140, 69118), (1330, 59244), (1596, 49370), (1995, 39496), (2280, 34559), (2660, 29622), (3192, 24685), (3990, 19748), (4937, 15960), (5320, 14811), (7980, 9874)]