128222080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28621}}^1$

素因数の和:28647

約数の個数: 64

約数和(自身を含む): 350333280

約数和(自身を除く): 222111200

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28621, 57242, 114484, 143105, 200347, 228968, 286210, 400694, 457936, 572420, 801388, 915872, 1001735, 1144840, 1602776, 1831744, 2003470, 2289680, 3205552, 3663488, 4006940, 4579360, 6411104, 8013880, 9158720, 12822208, 16027760, 18317440, 25644416, 32055520, 64111040, 128222080]

約数ペア:

[(1, 128222080), (2, 64111040), (4, 32055520), (5, 25644416), (7, 18317440), (8, 16027760), (10, 12822208), (14, 9158720), (16, 8013880), (20, 6411104), (28, 4579360), (32, 4006940), (35, 3663488), (40, 3205552), (56, 2289680), (64, 2003470), (70, 1831744), (80, 1602776), (112, 1144840), (128, 1001735), (140, 915872), (160, 801388), (224, 572420), (280, 457936), (320, 400694), (448, 286210), (560, 228968), (640, 200347), (896, 143105), (1120, 114484), (2240, 57242), (4480, 28621)]