320013888

素因数分解:

$2^6\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 112

約数和(自身を含む): 879799104

約数和(自身を除く): 559785216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 107, 111, 148, 192, 214, 222, 296, 321, 421, 428, 444, 592, 642, 842, 856, 888, 1184, 1263, 1284, 1684, 1712, 1776, 2368, 2526, 2568, 3368, 3424, 3552, 3959, 5052, 5136, 6736, 6848, 7104, 7918, 10104, 10272, 11877, 13472, 15577, 15836, 20208, 20544, 23754, 26944, 31154, 31672, 40416, 45047, 46731, 47508, 62308, 63344, 80832, 90094, 93462, 95016, 124616, 126688, 135141, 180188, 186924, 190032, 249232, 253376, 270282, 360376, 373848, 380064, 498464, 540564, 720752, 747696, 760128, 996928, 1081128, 1441504, 1495392, 1666739, 2162256, 2883008, 2990784, 3333478, 4324512, 5000217, 6666956, 8649024, 10000434, 13333912, 20000868, 26667824, 40001736, 53335648, 80003472, 106671296, 160006944, 320013888]

約数ペア:

[(1, 320013888), (2, 160006944), (3, 106671296), (4, 80003472), (6, 53335648), (8, 40001736), (12, 26667824), (16, 20000868), (24, 13333912), (32, 10000434), (37, 8649024), (48, 6666956), (64, 5000217), (74, 4324512), (96, 3333478), (107, 2990784), (111, 2883008), (148, 2162256), (192, 1666739), (214, 1495392), (222, 1441504), (296, 1081128), (321, 996928), (421, 760128), (428, 747696), (444, 720752), (592, 540564), (642, 498464), (842, 380064), (856, 373848), (888, 360376), (1184, 270282), (1263, 253376), (1284, 249232), (1684, 190032), (1712, 186924), (1776, 180188), (2368, 135141), (2526, 126688), (2568, 124616), (3368, 95016), (3424, 93462), (3552, 90094), (3959, 80832), (5052, 63344), (5136, 62308), (6736, 47508), (6848, 46731), (7104, 45047), (7918, 40416), (10104, 31672), (10272, 31154), (11877, 26944), (13472, 23754), (15577, 20544), (15836, 20208)]