305856640

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 761425920

約数和(自身を除く): 455569280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 71, 80, 106, 127, 128, 142, 160, 212, 254, 265, 284, 320, 355, 424, 508, 530, 568, 635, 640, 710, 848, 1016, 1060, 1136, 1270, 1420, 1696, 2032, 2120, 2272, 2540, 2840, 3392, 3763, 4064, 4240, 4544, 5080, 5680, 6731, 6784, 7526, 8128, 8480, 9017, 9088, 10160, 11360, 13462, 15052, 16256, 16960, 18034, 18815, 20320, 22720, 26924, 30104, 33655, 33920, 36068, 37630, 40640, 45085, 45440, 53848, 60208, 67310, 72136, 75260, 81280, 90170, 107696, 120416, 134620, 144272, 150520, 180340, 215392, 240832, 269240, 288544, 301040, 360680, 430784, 477901, 481664, 538480, 577088, 602080, 721360, 861568, 955802, 1076960, 1154176, 1204160, 1442720, 1911604, 2153920, 2389505, 2408320, 2885440, 3823208, 4307840, 4779010, 5770880, 7646416, 9558020, 15292832, 19116040, 30585664, 38232080, 61171328, 76464160, 152928320, 305856640]

約数ペア:

[(1, 305856640), (2, 152928320), (4, 76464160), (5, 61171328), (8, 38232080), (10, 30585664), (16, 19116040), (20, 15292832), (32, 9558020), (40, 7646416), (53, 5770880), (64, 4779010), (71, 4307840), (80, 3823208), (106, 2885440), (127, 2408320), (128, 2389505), (142, 2153920), (160, 1911604), (212, 1442720), (254, 1204160), (265, 1154176), (284, 1076960), (320, 955802), (355, 861568), (424, 721360), (508, 602080), (530, 577088), (568, 538480), (635, 481664), (640, 477901), (710, 430784), (848, 360680), (1016, 301040), (1060, 288544), (1136, 269240), (1270, 240832), (1420, 215392), (1696, 180340), (2032, 150520), (2120, 144272), (2272, 134620), (2540, 120416), (2840, 107696), (3392, 90170), (3763, 81280), (4064, 75260), (4240, 72136), (4544, 67310), (5080, 60208), (5680, 53848), (6731, 45440), (6784, 45085), (7526, 40640), (8128, 37630), (8480, 36068), (9017, 33920), (9088, 33655), (10160, 30104), (11360, 26924), (13462, 22720), (15052, 20320), (16256, 18815), (16960, 18034)]