31995180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 112869120

約数和(自身を除く): 80873940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 379, 402, 420, 469, 603, 630, 670, 758, 804, 938, 1005, 1137, 1206, 1260, 1340, 1407, 1516, 1876, 1895, 2010, 2274, 2345, 2412, 2653, 2814, 3015, 3411, 3790, 4020, 4221, 4548, 4690, 5306, 5628, 5685, 6030, 6822, 7035, 7580, 7959, 8442, 9380, 10612, 11370, 12060, 13265, 13644, 14070, 15918, 16884, 17055, 21105, 22740, 23877, 25393, 26530, 28140, 31836, 34110, 39795, 42210, 47754, 50786, 53060, 68220, 76179, 79590, 84420, 95508, 101572, 119385, 126965, 152358, 159180, 177751, 228537, 238770, 253930, 304716, 355502, 380895, 457074, 477540, 507860, 533253, 711004, 761790, 888755, 914148, 1066506, 1142685, 1523580, 1599759, 1777510, 2133012, 2285370, 2666265, 3199518, 3555020, 4570740, 5332530, 6399036, 7998795, 10665060, 15997590, 31995180]

約数ペア:

[(1, 31995180), (2, 15997590), (3, 10665060), (4, 7998795), (5, 6399036), (6, 5332530), (7, 4570740), (9, 3555020), (10, 3199518), (12, 2666265), (14, 2285370), (15, 2133012), (18, 1777510), (20, 1599759), (21, 1523580), (28, 1142685), (30, 1066506), (35, 914148), (36, 888755), (42, 761790), (45, 711004), (60, 533253), (63, 507860), (67, 477540), (70, 457074), (84, 380895), (90, 355502), (105, 304716), (126, 253930), (134, 238770), (140, 228537), (180, 177751), (201, 159180), (210, 152358), (252, 126965), (268, 119385), (315, 101572), (335, 95508), (379, 84420), (402, 79590), (420, 76179), (469, 68220), (603, 53060), (630, 50786), (670, 47754), (758, 42210), (804, 39795), (938, 34110), (1005, 31836), (1137, 28140), (1206, 26530), (1260, 25393), (1340, 23877), (1407, 22740), (1516, 21105), (1876, 17055), (1895, 16884), (2010, 15918), (2274, 14070), (2345, 13644), (2412, 13265), (2653, 12060), (2814, 11370), (3015, 10612), (3411, 9380), (3790, 8442), (4020, 7959), (4221, 7580), (4548, 7035), (4690, 6822), (5306, 6030), (5628, 5685)]