268445440

素因数分解:

$2^8\times 5^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 645846768

約数和(自身を除く): 377401328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 401, 523, 640, 802, 1046, 1280, 1604, 2005, 2092, 2615, 3208, 4010, 4184, 5230, 6416, 8020, 8368, 10460, 12832, 16040, 16736, 20920, 25664, 32080, 33472, 41840, 51328, 64160, 66944, 83680, 102656, 128320, 133888, 167360, 209723, 256640, 334720, 419446, 513280, 669440, 838892, 1048615, 1677784, 2097230, 3355568, 4194460, 6711136, 8388920, 13422272, 16777840, 26844544, 33555680, 53689088, 67111360, 134222720, 268445440]

約数ペア:

[(1, 268445440), (2, 134222720), (4, 67111360), (5, 53689088), (8, 33555680), (10, 26844544), (16, 16777840), (20, 13422272), (32, 8388920), (40, 6711136), (64, 4194460), (80, 3355568), (128, 2097230), (160, 1677784), (256, 1048615), (320, 838892), (401, 669440), (523, 513280), (640, 419446), (802, 334720), (1046, 256640), (1280, 209723), (1604, 167360), (2005, 133888), (2092, 128320), (2615, 102656), (3208, 83680), (4010, 66944), (4184, 64160), (5230, 51328), (6416, 41840), (8020, 33472), (8368, 32080), (10460, 25664), (12832, 20920), (16040, 16736)]