1661640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 5088960

約数和(自身を除く): 3427320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 227, 244, 305, 366, 454, 488, 610, 681, 732, 908, 915, 1135, 1220, 1362, 1464, 1816, 1830, 2270, 2440, 2724, 3405, 3660, 4540, 5448, 6810, 7320, 9080, 13620, 13847, 27240, 27694, 41541, 55388, 69235, 83082, 110776, 138470, 166164, 207705, 276940, 332328, 415410, 553880, 830820, 1661640]

約数ペア:

[(1, 1661640), (2, 830820), (3, 553880), (4, 415410), (5, 332328), (6, 276940), (8, 207705), (10, 166164), (12, 138470), (15, 110776), (20, 83082), (24, 69235), (30, 55388), (40, 41541), (60, 27694), (61, 27240), (120, 13847), (122, 13620), (183, 9080), (227, 7320), (244, 6810), (305, 5448), (366, 4540), (454, 3660), (488, 3405), (610, 2724), (681, 2440), (732, 2270), (908, 1830), (915, 1816), (1135, 1464), (1220, 1362)]