1638405540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3011}}^1\times {\mathrm{3023}}^1$

素因数の和:6049

約数の個数: 72

約数和(自身を含む): 4973125248

約数和(自身を除く): 3334719708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3011, 3023, 6022, 6046, 9033, 9069, 12044, 12092, 15055, 15115, 18066, 18138, 27099, 27207, 30110, 30230, 36132, 36276, 45165, 45345, 54198, 54414, 60220, 60460, 90330, 90690, 108396, 108828, 135495, 136035, 180660, 181380, 270990, 272070, 541980, 544140, 9102253, 18204506, 27306759, 36409012, 45511265, 54613518, 81920277, 91022530, 109227036, 136533795, 163840554, 182045060, 273067590, 327681108, 409601385, 546135180, 819202770, 1638405540]

約数ペア:

[(1, 1638405540), (2, 819202770), (3, 546135180), (4, 409601385), (5, 327681108), (6, 273067590), (9, 182045060), (10, 163840554), (12, 136533795), (15, 109227036), (18, 91022530), (20, 81920277), (30, 54613518), (36, 45511265), (45, 36409012), (60, 27306759), (90, 18204506), (180, 9102253), (3011, 544140), (3023, 541980), (6022, 272070), (6046, 270990), (9033, 181380), (9069, 180660), (12044, 136035), (12092, 135495), (15055, 108828), (15115, 108396), (18066, 90690), (18138, 90330), (27099, 60460), (27207, 60220), (30110, 54414), (30230, 54198), (36132, 45345), (36276, 45165)]