80373780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4421}}^1$

素因数の和:4537

約数の個数: 72

約数和(自身を含む): 246270024

約数和(自身を除く): 165896244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4421, 4545, 6060, 8842, 9090, 13263, 17684, 18180, 22105, 26526, 39789, 44210, 53052, 66315, 79578, 88420, 132630, 159156, 198945, 265260, 397890, 446521, 795780, 893042, 1339563, 1786084, 2232605, 2679126, 4018689, 4465210, 5358252, 6697815, 8037378, 8930420, 13395630, 16074756, 20093445, 26791260, 40186890, 80373780]

約数ペア:

[(1, 80373780), (2, 40186890), (3, 26791260), (4, 20093445), (5, 16074756), (6, 13395630), (9, 8930420), (10, 8037378), (12, 6697815), (15, 5358252), (18, 4465210), (20, 4018689), (30, 2679126), (36, 2232605), (45, 1786084), (60, 1339563), (90, 893042), (101, 795780), (180, 446521), (202, 397890), (303, 265260), (404, 198945), (505, 159156), (606, 132630), (909, 88420), (1010, 79578), (1212, 66315), (1515, 53052), (1818, 44210), (2020, 39789), (3030, 26526), (3636, 22105), (4421, 18180), (4545, 17684), (6060, 13263), (8842, 9090)]