138240720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2021

約数の個数: 120

約数和(自身を含む): 469101672

約数和(自身を除く): 330860952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1818, 1901, 2020, 2424, 3030, 3636, 3802, 4040, 4545, 4848, 5703, 6060, 7272, 7604, 8080, 9090, 9505, 11406, 12120, 14544, 15208, 17109, 18180, 19010, 22812, 24240, 28515, 30416, 34218, 36360, 38020, 45624, 57030, 68436, 72720, 76040, 85545, 91248, 114060, 136872, 152080, 171090, 192001, 228120, 273744, 342180, 384002, 456240, 576003, 684360, 768004, 960005, 1152006, 1368720, 1536008, 1728009, 1920010, 2304012, 2880015, 3072016, 3456018, 3840020, 4608024, 5760030, 6912036, 7680040, 8640045, 9216048, 11520060, 13824072, 15360080, 17280090, 23040120, 27648144, 34560180, 46080240, 69120360, 138240720]

約数ペア:

[(1, 138240720), (2, 69120360), (3, 46080240), (4, 34560180), (5, 27648144), (6, 23040120), (8, 17280090), (9, 15360080), (10, 13824072), (12, 11520060), (15, 9216048), (16, 8640045), (18, 7680040), (20, 6912036), (24, 5760030), (30, 4608024), (36, 3840020), (40, 3456018), (45, 3072016), (48, 2880015), (60, 2304012), (72, 1920010), (80, 1728009), (90, 1536008), (101, 1368720), (120, 1152006), (144, 960005), (180, 768004), (202, 684360), (240, 576003), (303, 456240), (360, 384002), (404, 342180), (505, 273744), (606, 228120), (720, 192001), (808, 171090), (909, 152080), (1010, 136872), (1212, 114060), (1515, 91248), (1616, 85545), (1818, 76040), (1901, 72720), (2020, 68436), (2424, 57030), (3030, 45624), (3636, 38020), (3802, 36360), (4040, 34218), (4545, 30416), (4848, 28515), (5703, 24240), (6060, 22812), (7272, 19010), (7604, 18180), (8080, 17109), (9090, 15208), (9505, 14544), (11406, 12120)]