205695240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1799

約数の個数: 128

約数和(自身を含む): 664848000

約数和(自身を除く): 459152760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 680, 708, 885, 1003, 1020, 1180, 1416, 1709, 1770, 2006, 2040, 2360, 3009, 3418, 3540, 4012, 5015, 5127, 6018, 6836, 7080, 8024, 8545, 10030, 10254, 12036, 13672, 15045, 17090, 20060, 20508, 24072, 25635, 29053, 30090, 34180, 40120, 41016, 51270, 58106, 60180, 68360, 87159, 100831, 102540, 116212, 120360, 145265, 174318, 201662, 205080, 232424, 290530, 302493, 348636, 403324, 435795, 504155, 581060, 604986, 697272, 806648, 871590, 1008310, 1162120, 1209972, 1512465, 1714127, 1743180, 2016620, 2419944, 3024930, 3428254, 3486360, 4033240, 5142381, 6049860, 6856508, 8570635, 10284762, 12099720, 13713016, 17141270, 20569524, 25711905, 34282540, 41139048, 51423810, 68565080, 102847620, 205695240]

約数ペア:

[(1, 205695240), (2, 102847620), (3, 68565080), (4, 51423810), (5, 41139048), (6, 34282540), (8, 25711905), (10, 20569524), (12, 17141270), (15, 13713016), (17, 12099720), (20, 10284762), (24, 8570635), (30, 6856508), (34, 6049860), (40, 5142381), (51, 4033240), (59, 3486360), (60, 3428254), (68, 3024930), (85, 2419944), (102, 2016620), (118, 1743180), (120, 1714127), (136, 1512465), (170, 1209972), (177, 1162120), (204, 1008310), (236, 871590), (255, 806648), (295, 697272), (340, 604986), (354, 581060), (408, 504155), (472, 435795), (510, 403324), (590, 348636), (680, 302493), (708, 290530), (885, 232424), (1003, 205080), (1020, 201662), (1180, 174318), (1416, 145265), (1709, 120360), (1770, 116212), (2006, 102540), (2040, 100831), (2360, 87159), (3009, 68360), (3418, 60180), (3540, 58106), (4012, 51270), (5015, 41016), (5127, 40120), (6018, 34180), (6836, 30090), (7080, 29053), (8024, 25635), (8545, 24072), (10030, 20508), (10254, 20060), (12036, 17090), (13672, 15045)]