1266621040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40546

約数の個数: 80

約数和(自身を含む): 3253773888

約数和(自身を除く): 1987152848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 15640, 31280, 40493, 80986, 161972, 202465, 323944, 404930, 647888, 688381, 809860, 931339, 1376762, 1619720, 1862678, 2753524, 3239440, 3441905, 3725356, 4656695, 5507048, 6883810, 7450712, 9313390, 11014096, 13767620, 14901424, 15832763, 18626780, 27535240, 31665526, 37253560, 55070480, 63331052, 74507120, 79163815, 126662104, 158327630, 253324208, 316655260, 633310520, 1266621040]

約数ペア:

[(1, 1266621040), (2, 633310520), (4, 316655260), (5, 253324208), (8, 158327630), (10, 126662104), (16, 79163815), (17, 74507120), (20, 63331052), (23, 55070480), (34, 37253560), (40, 31665526), (46, 27535240), (68, 18626780), (80, 15832763), (85, 14901424), (92, 13767620), (115, 11014096), (136, 9313390), (170, 7450712), (184, 6883810), (230, 5507048), (272, 4656695), (340, 3725356), (368, 3441905), (391, 3239440), (460, 2753524), (680, 1862678), (782, 1619720), (920, 1376762), (1360, 931339), (1564, 809860), (1840, 688381), (1955, 647888), (3128, 404930), (3910, 323944), (6256, 202465), (7820, 161972), (15640, 80986), (31280, 40493)]