215543600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 553536000

約数和(自身を除く): 337992400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 79, 80, 95, 100, 152, 158, 190, 200, 304, 316, 359, 380, 395, 400, 475, 632, 718, 760, 790, 950, 1264, 1436, 1501, 1520, 1580, 1795, 1900, 1975, 2872, 3002, 3160, 3590, 3800, 3950, 5744, 6004, 6320, 6821, 7180, 7505, 7600, 7900, 8975, 12008, 13642, 14360, 15010, 15800, 17950, 24016, 27284, 28361, 28720, 30020, 31600, 34105, 35900, 37525, 54568, 56722, 60040, 68210, 71800, 75050, 109136, 113444, 120080, 136420, 141805, 143600, 150100, 170525, 226888, 272840, 283610, 300200, 341050, 453776, 538859, 545680, 567220, 600400, 682100, 709025, 1077718, 1134440, 1364200, 1418050, 2155436, 2268880, 2694295, 2728400, 2836100, 4310872, 5388590, 5672200, 8621744, 10777180, 11344400, 13471475, 21554360, 26942950, 43108720, 53885900, 107771800, 215543600]

約数ペア:

[(1, 215543600), (2, 107771800), (4, 53885900), (5, 43108720), (8, 26942950), (10, 21554360), (16, 13471475), (19, 11344400), (20, 10777180), (25, 8621744), (38, 5672200), (40, 5388590), (50, 4310872), (76, 2836100), (79, 2728400), (80, 2694295), (95, 2268880), (100, 2155436), (152, 1418050), (158, 1364200), (190, 1134440), (200, 1077718), (304, 709025), (316, 682100), (359, 600400), (380, 567220), (395, 545680), (400, 538859), (475, 453776), (632, 341050), (718, 300200), (760, 283610), (790, 272840), (950, 226888), (1264, 170525), (1436, 150100), (1501, 143600), (1520, 141805), (1580, 136420), (1795, 120080), (1900, 113444), (1975, 109136), (2872, 75050), (3002, 71800), (3160, 68210), (3590, 60040), (3800, 56722), (3950, 54568), (5744, 37525), (6004, 35900), (6320, 34105), (6821, 31600), (7180, 30020), (7505, 28720), (7600, 28361), (7900, 27284), (8975, 24016), (12008, 17950), (13642, 15800), (14360, 15010)]