1781200

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 4409068

約数和(自身を除く): 2627868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 73, 80, 100, 122, 146, 200, 244, 292, 305, 365, 400, 488, 584, 610, 730, 976, 1168, 1220, 1460, 1525, 1825, 2440, 2920, 3050, 3650, 4453, 4880, 5840, 6100, 7300, 8906, 12200, 14600, 17812, 22265, 24400, 29200, 35624, 44530, 71248, 89060, 111325, 178120, 222650, 356240, 445300, 890600, 1781200]

約数ペア:

[(1, 1781200), (2, 890600), (4, 445300), (5, 356240), (8, 222650), (10, 178120), (16, 111325), (20, 89060), (25, 71248), (40, 44530), (50, 35624), (61, 29200), (73, 24400), (80, 22265), (100, 17812), (122, 14600), (146, 12200), (200, 8906), (244, 7300), (292, 6100), (305, 5840), (365, 4880), (400, 4453), (488, 3650), (584, 3050), (610, 2920), (730, 2440), (976, 1825), (1168, 1525), (1220, 1460)]