217560720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 734452992

約数和(自身を除く): 516892272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 103, 104, 120, 130, 156, 195, 206, 208, 240, 260, 309, 312, 390, 412, 515, 520, 618, 624, 677, 780, 824, 1030, 1040, 1236, 1339, 1354, 1545, 1560, 1648, 2031, 2060, 2472, 2678, 2708, 3090, 3120, 3385, 4017, 4062, 4120, 4944, 5356, 5416, 6180, 6695, 6770, 8034, 8124, 8240, 8801, 10155, 10712, 10832, 12360, 13390, 13540, 16068, 16248, 17602, 20085, 20310, 21424, 24720, 26403, 26780, 27080, 32136, 32496, 35204, 40170, 40620, 44005, 52806, 53560, 54160, 64272, 69731, 70408, 80340, 81240, 88010, 105612, 107120, 132015, 139462, 140816, 160680, 162480, 176020, 209193, 211224, 264030, 278924, 321360, 348655, 352040, 418386, 422448, 528060, 557848, 697310, 704080, 836772, 906503, 1045965, 1056120, 1115696, 1394620, 1673544, 1813006, 2091930, 2112240, 2719509, 2789240, 3347088, 3626012, 4183860, 4532515, 5439018, 5578480, 7252024, 8367720, 9065030, 10878036, 13597545, 14504048, 16735440, 18130060, 21756072, 27195090, 36260120, 43512144, 54390180, 72520240, 108780360, 217560720]

約数ペア:

[(1, 217560720), (2, 108780360), (3, 72520240), (4, 54390180), (5, 43512144), (6, 36260120), (8, 27195090), (10, 21756072), (12, 18130060), (13, 16735440), (15, 14504048), (16, 13597545), (20, 10878036), (24, 9065030), (26, 8367720), (30, 7252024), (39, 5578480), (40, 5439018), (48, 4532515), (52, 4183860), (60, 3626012), (65, 3347088), (78, 2789240), (80, 2719509), (103, 2112240), (104, 2091930), (120, 1813006), (130, 1673544), (156, 1394620), (195, 1115696), (206, 1056120), (208, 1045965), (240, 906503), (260, 836772), (309, 704080), (312, 697310), (390, 557848), (412, 528060), (515, 422448), (520, 418386), (618, 352040), (624, 348655), (677, 321360), (780, 278924), (824, 264030), (1030, 211224), (1040, 209193), (1236, 176020), (1339, 162480), (1354, 160680), (1545, 140816), (1560, 139462), (1648, 132015), (2031, 107120), (2060, 105612), (2472, 88010), (2678, 81240), (2708, 80340), (3090, 70408), (3120, 69731), (3385, 64272), (4017, 54160), (4062, 53560), (4120, 52806), (4944, 44005), (5356, 40620), (5416, 40170), (6180, 35204), (6695, 32496), (6770, 32136), (8034, 27080), (8124, 26780), (8240, 26403), (8801, 24720), (10155, 21424), (10712, 20310), (10832, 20085), (12360, 17602), (13390, 16248), (13540, 16068)]