203412420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4201}}^1$

素因数の和:4485

約数の個数: 72

約数和(自身を含む): 619458840

約数和(自身を除く): 416046420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2690, 3228, 4035, 4201, 4842, 5380, 8070, 8402, 9684, 12105, 12603, 16140, 16804, 21005, 24210, 25206, 37809, 42010, 48420, 50412, 63015, 75618, 84020, 126030, 151236, 189045, 252060, 378090, 756180, 1130069, 2260138, 3390207, 4520276, 5650345, 6780414, 10170621, 11300690, 13560828, 16951035, 20341242, 22601380, 33902070, 40682484, 50853105, 67804140, 101706210, 203412420]

約数ペア:

[(1, 203412420), (2, 101706210), (3, 67804140), (4, 50853105), (5, 40682484), (6, 33902070), (9, 22601380), (10, 20341242), (12, 16951035), (15, 13560828), (18, 11300690), (20, 10170621), (30, 6780414), (36, 5650345), (45, 4520276), (60, 3390207), (90, 2260138), (180, 1130069), (269, 756180), (538, 378090), (807, 252060), (1076, 189045), (1345, 151236), (1614, 126030), (2421, 84020), (2690, 75618), (3228, 63015), (4035, 50412), (4201, 48420), (4842, 42010), (5380, 37809), (8070, 25206), (8402, 24210), (9684, 21005), (12105, 16804), (12603, 16140)]