12660920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 30935520

約数和(自身を除く): 18274600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 433, 680, 731, 860, 866, 1462, 1720, 1732, 2165, 2924, 3464, 3655, 4330, 5848, 7310, 7361, 8660, 14620, 14722, 17320, 18619, 29240, 29444, 36805, 37238, 58888, 73610, 74476, 93095, 147220, 148952, 186190, 294440, 316523, 372380, 633046, 744760, 1266092, 1582615, 2532184, 3165230, 6330460, 12660920]

約数ペア:

[(1, 12660920), (2, 6330460), (4, 3165230), (5, 2532184), (8, 1582615), (10, 1266092), (17, 744760), (20, 633046), (34, 372380), (40, 316523), (43, 294440), (68, 186190), (85, 148952), (86, 147220), (136, 93095), (170, 74476), (172, 73610), (215, 58888), (340, 37238), (344, 36805), (430, 29444), (433, 29240), (680, 18619), (731, 17320), (860, 14722), (866, 14620), (1462, 8660), (1720, 7361), (1732, 7310), (2165, 5848), (2924, 4330), (3464, 3655)]