90143680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25609}}^1$

素因数の和:25637

約数の個数: 56

約数和(自身を含む): 234177840

約数和(自身を除く): 144034160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 25609, 51218, 102436, 128045, 204872, 256090, 281699, 409744, 512180, 563398, 819488, 1024360, 1126796, 1408495, 1638976, 2048720, 2253592, 2816990, 4097440, 4507184, 5633980, 8194880, 9014368, 11267960, 18028736, 22535920, 45071840, 90143680]

約数ペア:

[(1, 90143680), (2, 45071840), (4, 22535920), (5, 18028736), (8, 11267960), (10, 9014368), (11, 8194880), (16, 5633980), (20, 4507184), (22, 4097440), (32, 2816990), (40, 2253592), (44, 2048720), (55, 1638976), (64, 1408495), (80, 1126796), (88, 1024360), (110, 819488), (160, 563398), (176, 512180), (220, 409744), (320, 281699), (352, 256090), (440, 204872), (704, 128045), (880, 102436), (1760, 51218), (3520, 25609)]