161967200

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3319}}^1$

素因数の和:3400

約数の個数: 72

約数和(自身を含む): 402005520

約数和(自身を除く): 240038320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 160, 200, 244, 305, 400, 488, 610, 800, 976, 1220, 1525, 1952, 2440, 3050, 3319, 4880, 6100, 6638, 9760, 12200, 13276, 16595, 24400, 26552, 33190, 48800, 53104, 66380, 82975, 106208, 132760, 165950, 202459, 265520, 331900, 404918, 531040, 663800, 809836, 1012295, 1327600, 1619672, 2024590, 2655200, 3239344, 4049180, 5061475, 6478688, 8098360, 10122950, 16196720, 20245900, 32393440, 40491800, 80983600, 161967200]

約数ペア:

[(1, 161967200), (2, 80983600), (4, 40491800), (5, 32393440), (8, 20245900), (10, 16196720), (16, 10122950), (20, 8098360), (25, 6478688), (32, 5061475), (40, 4049180), (50, 3239344), (61, 2655200), (80, 2024590), (100, 1619672), (122, 1327600), (160, 1012295), (200, 809836), (244, 663800), (305, 531040), (400, 404918), (488, 331900), (610, 265520), (800, 202459), (976, 165950), (1220, 132760), (1525, 106208), (1952, 82975), (2440, 66380), (3050, 53104), (3319, 48800), (4880, 33190), (6100, 26552), (6638, 24400), (9760, 16595), (12200, 13276)]