20198169720

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{76963}}^1$

素因数の和:76998

約数の個数: 144

約数和(自身を含む): 68166245160

約数和(自身を除く): 47968075440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2430, 2916, 3240, 3645, 4374, 4860, 5832, 6561, 7290, 8748, 9720, 10935, 13122, 14580, 17496, 21870, 26244, 29160, 32805, 43740, 52488, 65610, 76963, 87480, 131220, 153926, 230889, 262440, 307852, 384815, 461778, 615704, 692667, 769630, 923556, 1154445, 1385334, 1539260, 1847112, 2078001, 2308890, 2770668, 3078520, 3463335, 4156002, 4617780, 5541336, 6234003, 6926670, 8312004, 9235560, 10390005, 12468006, 13853340, 16624008, 18702009, 20780010, 24936012, 27706680, 31170015, 37404018, 41560020, 49872024, 56106027, 62340030, 74808036, 83120040, 93510045, 112212054, 124680060, 149616072, 168318081, 187020090, 224424108, 249360120, 280530135, 336636162, 374040180, 448848216, 504954243, 561060270, 673272324, 748080360, 841590405, 1009908486, 1122120540, 1346544648, 1683180810, 2019816972, 2244241080, 2524771215, 3366361620, 4039633944, 5049542430, 6732723240, 10099084860, 20198169720]

約数ペア:

[(1, 20198169720), (2, 10099084860), (3, 6732723240), (4, 5049542430), (5, 4039633944), (6, 3366361620), (8, 2524771215), (9, 2244241080), (10, 2019816972), (12, 1683180810), (15, 1346544648), (18, 1122120540), (20, 1009908486), (24, 841590405), (27, 748080360), (30, 673272324), (36, 561060270), (40, 504954243), (45, 448848216), (54, 374040180), (60, 336636162), (72, 280530135), (81, 249360120), (90, 224424108), (108, 187020090), (120, 168318081), (135, 149616072), (162, 124680060), (180, 112212054), (216, 93510045), (243, 83120040), (270, 74808036), (324, 62340030), (360, 56106027), (405, 49872024), (486, 41560020), (540, 37404018), (648, 31170015), (729, 27706680), (810, 24936012), (972, 20780010), (1080, 18702009), (1215, 16624008), (1458, 13853340), (1620, 12468006), (1944, 10390005), (2187, 9235560), (2430, 8312004), (2916, 6926670), (3240, 6234003), (3645, 5541336), (4374, 4617780), (4860, 4156002), (5832, 3463335), (6561, 3078520), (7290, 2770668), (8748, 2308890), (9720, 2078001), (10935, 1847112), (13122, 1539260), (14580, 1385334), (17496, 1154445), (21870, 923556), (26244, 769630), (29160, 692667), (32805, 615704), (43740, 461778), (52488, 384815), (65610, 307852), (76963, 262440), (87480, 230889), (131220, 153926)]