78826720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70381}}^1$

素因数の和:70403

約数の個数: 48

約数和(自身を含む): 212835168

約数和(自身を除く): 134008448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70381, 140762, 281524, 351905, 492667, 563048, 703810, 985334, 1126096, 1407620, 1970668, 2252192, 2463335, 2815240, 3941336, 4926670, 5630480, 7882672, 9853340, 11260960, 15765344, 19706680, 39413360, 78826720]

約数ペア:

[(1, 78826720), (2, 39413360), (4, 19706680), (5, 15765344), (7, 11260960), (8, 9853340), (10, 7882672), (14, 5630480), (16, 4926670), (20, 3941336), (28, 2815240), (32, 2463335), (35, 2252192), (40, 1970668), (56, 1407620), (70, 1126096), (80, 985334), (112, 703810), (140, 563048), (160, 492667), (224, 351905), (280, 281524), (560, 140762), (1120, 70381)]