204020360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 469281600

約数和(自身を除く): 265261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 269, 283, 335, 536, 538, 566, 670, 1076, 1132, 1340, 1345, 1415, 2152, 2264, 2680, 2690, 2830, 5380, 5660, 10760, 11320, 18023, 18961, 36046, 37922, 72092, 75844, 76127, 90115, 94805, 144184, 151688, 152254, 180230, 189610, 304508, 360460, 379220, 380635, 609016, 720920, 758440, 761270, 1522540, 3045080, 5100509, 10201018, 20402036, 25502545, 40804072, 51005090, 102010180, 204020360]

約数ペア:

[(1, 204020360), (2, 102010180), (4, 51005090), (5, 40804072), (8, 25502545), (10, 20402036), (20, 10201018), (40, 5100509), (67, 3045080), (134, 1522540), (268, 761270), (269, 758440), (283, 720920), (335, 609016), (536, 380635), (538, 379220), (566, 360460), (670, 304508), (1076, 189610), (1132, 180230), (1340, 152254), (1345, 151688), (1415, 144184), (2152, 94805), (2264, 90115), (2680, 76127), (2690, 75844), (2830, 72092), (5380, 37922), (5660, 36046), (10760, 18961), (11320, 18023)]