209162160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1115

約数の個数: 120

約数和(自身を含む): 705088800

約数和(自身を除く): 495926640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 449, 647, 720, 898, 1294, 1347, 1796, 1941, 2245, 2588, 2694, 3235, 3592, 3882, 4041, 4490, 5176, 5388, 5823, 6470, 6735, 7184, 7764, 8082, 8980, 9705, 10352, 10776, 11646, 12940, 13470, 15528, 16164, 17960, 19410, 20205, 21552, 23292, 25880, 26940, 29115, 31056, 32328, 35920, 38820, 40410, 46584, 51760, 53880, 58230, 64656, 77640, 80820, 93168, 107760, 116460, 155280, 161640, 232920, 290503, 323280, 465840, 581006, 871509, 1162012, 1452515, 1743018, 2324024, 2614527, 2905030, 3486036, 4357545, 4648048, 5229054, 5810060, 6972072, 8715090, 10458108, 11620120, 13072635, 13944144, 17430180, 20916216, 23240240, 26145270, 34860360, 41832432, 52290540, 69720720, 104581080, 209162160]

約数ペア:

[(1, 209162160), (2, 104581080), (3, 69720720), (4, 52290540), (5, 41832432), (6, 34860360), (8, 26145270), (9, 23240240), (10, 20916216), (12, 17430180), (15, 13944144), (16, 13072635), (18, 11620120), (20, 10458108), (24, 8715090), (30, 6972072), (36, 5810060), (40, 5229054), (45, 4648048), (48, 4357545), (60, 3486036), (72, 2905030), (80, 2614527), (90, 2324024), (120, 1743018), (144, 1452515), (180, 1162012), (240, 871509), (360, 581006), (449, 465840), (647, 323280), (720, 290503), (898, 232920), (1294, 161640), (1347, 155280), (1796, 116460), (1941, 107760), (2245, 93168), (2588, 80820), (2694, 77640), (3235, 64656), (3592, 58230), (3882, 53880), (4041, 51760), (4490, 46584), (5176, 40410), (5388, 38820), (5823, 35920), (6470, 32328), (6735, 31056), (7184, 29115), (7764, 26940), (8082, 25880), (8980, 23292), (9705, 21552), (10352, 20205), (10776, 19410), (11646, 17960), (12940, 16164), (13470, 15528)]