81681390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 96

約数和(自身を含む): 244071360

約数和(自身を除く): 162389970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 317, 409, 630, 634, 818, 951, 1227, 1585, 1902, 2045, 2219, 2454, 2853, 2863, 3170, 3681, 4090, 4438, 4755, 5706, 5726, 6135, 6657, 7362, 8589, 9510, 11095, 12270, 13314, 14265, 14315, 17178, 18405, 19971, 22190, 25767, 28530, 28630, 33285, 36810, 39942, 42945, 51534, 66570, 85890, 99855, 128835, 129653, 199710, 257670, 259306, 388959, 648265, 777918, 907571, 1166877, 1296530, 1815142, 1944795, 2333754, 2722713, 3889590, 4537855, 5445426, 5834385, 8168139, 9075710, 11668770, 13613565, 16336278, 27227130, 40840695, 81681390]

約数ペア:

[(1, 81681390), (2, 40840695), (3, 27227130), (5, 16336278), (6, 13613565), (7, 11668770), (9, 9075710), (10, 8168139), (14, 5834385), (15, 5445426), (18, 4537855), (21, 3889590), (30, 2722713), (35, 2333754), (42, 1944795), (45, 1815142), (63, 1296530), (70, 1166877), (90, 907571), (105, 777918), (126, 648265), (210, 388959), (315, 259306), (317, 257670), (409, 199710), (630, 129653), (634, 128835), (818, 99855), (951, 85890), (1227, 66570), (1585, 51534), (1902, 42945), (2045, 39942), (2219, 36810), (2454, 33285), (2853, 28630), (2863, 28530), (3170, 25767), (3681, 22190), (4090, 19971), (4438, 18405), (4755, 17178), (5706, 14315), (5726, 14265), (6135, 13314), (6657, 12270), (7362, 11095), (8589, 9510)]