205747620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 655097856

約数和(自身を除く): 449350236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 67, 78, 93, 124, 127, 130, 134, 155, 156, 186, 195, 201, 254, 260, 268, 310, 335, 372, 381, 390, 402, 403, 465, 508, 620, 635, 670, 762, 780, 804, 806, 871, 930, 1005, 1209, 1270, 1340, 1524, 1612, 1651, 1742, 1860, 1905, 2010, 2015, 2077, 2418, 2540, 2613, 3302, 3484, 3810, 3937, 4020, 4030, 4154, 4355, 4836, 4953, 5226, 6045, 6231, 6604, 7620, 7874, 8060, 8255, 8308, 8509, 8710, 9906, 10385, 10452, 11811, 12090, 12462, 13065, 15748, 16510, 17018, 17420, 19685, 19812, 20770, 23622, 24180, 24765, 24924, 25527, 26130, 27001, 31155, 33020, 34036, 39370, 41540, 42545, 47244, 49530, 51054, 51181, 52260, 54002, 59055, 62310, 78740, 81003, 85090, 99060, 102108, 102362, 108004, 110617, 118110, 124620, 127635, 135005, 153543, 162006, 170180, 204724, 221234, 236220, 255270, 255905, 263779, 270010, 307086, 324012, 331851, 405015, 442468, 510540, 511810, 527558, 540020, 553085, 614172, 663702, 767715, 791337, 810030, 1023620, 1055116, 1106170, 1318895, 1327404, 1535430, 1582674, 1620060, 1659255, 2212340, 2637790, 3070860, 3165348, 3318510, 3429127, 3956685, 5275580, 6637020, 6858254, 7913370, 10287381, 13716508, 15826740, 17145635, 20574762, 34291270, 41149524, 51436905, 68582540, 102873810, 205747620]

約数ペア:

[(1, 205747620), (2, 102873810), (3, 68582540), (4, 51436905), (5, 41149524), (6, 34291270), (10, 20574762), (12, 17145635), (13, 15826740), (15, 13716508), (20, 10287381), (26, 7913370), (30, 6858254), (31, 6637020), (39, 5275580), (52, 3956685), (60, 3429127), (62, 3318510), (65, 3165348), (67, 3070860), (78, 2637790), (93, 2212340), (124, 1659255), (127, 1620060), (130, 1582674), (134, 1535430), (155, 1327404), (156, 1318895), (186, 1106170), (195, 1055116), (201, 1023620), (254, 810030), (260, 791337), (268, 767715), (310, 663702), (335, 614172), (372, 553085), (381, 540020), (390, 527558), (402, 511810), (403, 510540), (465, 442468), (508, 405015), (620, 331851), (635, 324012), (670, 307086), (762, 270010), (780, 263779), (804, 255905), (806, 255270), (871, 236220), (930, 221234), (1005, 204724), (1209, 170180), (1270, 162006), (1340, 153543), (1524, 135005), (1612, 127635), (1651, 124620), (1742, 118110), (1860, 110617), (1905, 108004), (2010, 102362), (2015, 102108), (2077, 99060), (2418, 85090), (2540, 81003), (2613, 78740), (3302, 62310), (3484, 59055), (3810, 54002), (3937, 52260), (4020, 51181), (4030, 51054), (4154, 49530), (4355, 47244), (4836, 42545), (4953, 41540), (5226, 39370), (6045, 34036), (6231, 33020), (6604, 31155), (7620, 27001), (7874, 26130), (8060, 25527), (8255, 24924), (8308, 24765), (8509, 24180), (8710, 23622), (9906, 20770), (10385, 19812), (10452, 19685), (11811, 17420), (12090, 17018), (12462, 16510), (13065, 15748)]