27988020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2549}}^1$

素因数の和:2625

約数の個数: 72

約数和(自身を含む): 86322600

約数和(自身を除く): 58334580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2549, 2745, 3660, 5098, 5490, 7647, 10196, 10980, 12745, 15294, 22941, 25490, 30588, 38235, 45882, 50980, 76470, 91764, 114705, 152940, 155489, 229410, 310978, 458820, 466467, 621956, 777445, 932934, 1399401, 1554890, 1865868, 2332335, 2798802, 3109780, 4664670, 5597604, 6997005, 9329340, 13994010, 27988020]

約数ペア:

[(1, 27988020), (2, 13994010), (3, 9329340), (4, 6997005), (5, 5597604), (6, 4664670), (9, 3109780), (10, 2798802), (12, 2332335), (15, 1865868), (18, 1554890), (20, 1399401), (30, 932934), (36, 777445), (45, 621956), (60, 466467), (61, 458820), (90, 310978), (122, 229410), (180, 155489), (183, 152940), (244, 114705), (305, 91764), (366, 76470), (549, 50980), (610, 45882), (732, 38235), (915, 30588), (1098, 25490), (1220, 22941), (1830, 15294), (2196, 12745), (2549, 10980), (2745, 10196), (3660, 7647), (5098, 5490)]