68621840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 183404928

約数和(自身を除く): 114783088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 433, 560, 566, 866, 1132, 1415, 1732, 1981, 2165, 2264, 2830, 3031, 3464, 3962, 4330, 4528, 5660, 6062, 6928, 7924, 8660, 9905, 11320, 12124, 15155, 15848, 17320, 19810, 22640, 24248, 30310, 31696, 34640, 39620, 48496, 60620, 79240, 121240, 122539, 158480, 242480, 245078, 490156, 612695, 857773, 980312, 1225390, 1715546, 1960624, 2450780, 3431092, 4288865, 4901560, 6862184, 8577730, 9803120, 13724368, 17155460, 34310920, 68621840]

約数ペア:

[(1, 68621840), (2, 34310920), (4, 17155460), (5, 13724368), (7, 9803120), (8, 8577730), (10, 6862184), (14, 4901560), (16, 4288865), (20, 3431092), (28, 2450780), (35, 1960624), (40, 1715546), (56, 1225390), (70, 980312), (80, 857773), (112, 612695), (140, 490156), (280, 245078), (283, 242480), (433, 158480), (560, 122539), (566, 121240), (866, 79240), (1132, 60620), (1415, 48496), (1732, 39620), (1981, 34640), (2165, 31696), (2264, 30310), (2830, 24248), (3031, 22640), (3464, 19810), (3962, 17320), (4330, 15848), (4528, 15155), (5660, 12124), (6062, 11320), (6928, 9905), (7924, 8660)]