31456020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 95114880

約数和(自身を除く): 63658860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 410, 492, 570, 615, 673, 779, 820, 1140, 1230, 1346, 1558, 2019, 2337, 2460, 2692, 3116, 3365, 3895, 4038, 4674, 6730, 7790, 8076, 9348, 10095, 11685, 12787, 13460, 15580, 20190, 23370, 25574, 27593, 38361, 40380, 46740, 51148, 55186, 63935, 76722, 82779, 110372, 127870, 137965, 153444, 165558, 191805, 255740, 275930, 331116, 383610, 413895, 524267, 551860, 767220, 827790, 1048534, 1572801, 1655580, 2097068, 2621335, 3145602, 5242670, 6291204, 7864005, 10485340, 15728010, 31456020]

約数ペア:

[(1, 31456020), (2, 15728010), (3, 10485340), (4, 7864005), (5, 6291204), (6, 5242670), (10, 3145602), (12, 2621335), (15, 2097068), (19, 1655580), (20, 1572801), (30, 1048534), (38, 827790), (41, 767220), (57, 551860), (60, 524267), (76, 413895), (82, 383610), (95, 331116), (114, 275930), (123, 255740), (164, 191805), (190, 165558), (205, 153444), (228, 137965), (246, 127870), (285, 110372), (380, 82779), (410, 76722), (492, 63935), (570, 55186), (615, 51148), (673, 46740), (779, 40380), (820, 38361), (1140, 27593), (1230, 25574), (1346, 23370), (1558, 20190), (2019, 15580), (2337, 13460), (2460, 12787), (2692, 11685), (3116, 10095), (3365, 9348), (3895, 8076), (4038, 7790), (4674, 6730)]