77889280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8693}}^1$

素因数の和:8721

約数の個数: 72

約数和(自身を含む): 213246432

約数和(自身を除く): 135357152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8693, 8960, 17386, 34772, 43465, 60851, 69544, 86930, 121702, 139088, 173860, 243404, 278176, 304255, 347720, 486808, 556352, 608510, 695440, 973616, 1112704, 1217020, 1390880, 1947232, 2225408, 2434040, 2781760, 3894464, 4868080, 5563520, 7788928, 9736160, 11127040, 15577856, 19472320, 38944640, 77889280]

約数ペア:

[(1, 77889280), (2, 38944640), (4, 19472320), (5, 15577856), (7, 11127040), (8, 9736160), (10, 7788928), (14, 5563520), (16, 4868080), (20, 3894464), (28, 2781760), (32, 2434040), (35, 2225408), (40, 1947232), (56, 1390880), (64, 1217020), (70, 1112704), (80, 973616), (112, 695440), (128, 608510), (140, 556352), (160, 486808), (224, 347720), (256, 304255), (280, 278176), (320, 243404), (448, 173860), (560, 139088), (640, 121702), (896, 86930), (1120, 69544), (1280, 60851), (1792, 43465), (2240, 34772), (4480, 17386), (8693, 8960)]