268291840

素因数分解:

$2^8\times 5^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 646067520

約数和(自身を除く): 377775680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 640, 877, 956, 1195, 1280, 1754, 1912, 2390, 3508, 3824, 4385, 4780, 7016, 7648, 8770, 9560, 14032, 15296, 17540, 19120, 28064, 30592, 35080, 38240, 56128, 61184, 70160, 76480, 112256, 140320, 152960, 209603, 224512, 280640, 305920, 419206, 561280, 838412, 1048015, 1122560, 1676824, 2096030, 3353648, 4192060, 6707296, 8384120, 13414592, 16768240, 26829184, 33536480, 53658368, 67072960, 134145920, 268291840]

約数ペア:

[(1, 268291840), (2, 134145920), (4, 67072960), (5, 53658368), (8, 33536480), (10, 26829184), (16, 16768240), (20, 13414592), (32, 8384120), (40, 6707296), (64, 4192060), (80, 3353648), (128, 2096030), (160, 1676824), (239, 1122560), (256, 1048015), (320, 838412), (478, 561280), (640, 419206), (877, 305920), (956, 280640), (1195, 224512), (1280, 209603), (1754, 152960), (1912, 140320), (2390, 112256), (3508, 76480), (3824, 70160), (4385, 61184), (4780, 56128), (7016, 38240), (7648, 35080), (8770, 30592), (9560, 28064), (14032, 19120), (15296, 17540)]