80812515

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 72403485

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 139, 147, 245, 339, 343, 417, 565, 695, 735, 791, 973, 1029, 1695, 1715, 2085, 2373, 2919, 3955, 4865, 5145, 5537, 6811, 11865, 14595, 15707, 16611, 20433, 27685, 34055, 38759, 47121, 47677, 78535, 83055, 102165, 109949, 116277, 143031, 193795, 235605, 238385, 329847, 549745, 581385, 715155, 769643, 1649235, 2308929, 3848215, 5387501, 11544645, 16162503, 26937505, 80812515]

約数ペア:

[(1, 80812515), (3, 26937505), (5, 16162503), (7, 11544645), (15, 5387501), (21, 3848215), (35, 2308929), (49, 1649235), (105, 769643), (113, 715155), (139, 581385), (147, 549745), (245, 329847), (339, 238385), (343, 235605), (417, 193795), (565, 143031), (695, 116277), (735, 109949), (791, 102165), (973, 83055), (1029, 78535), (1695, 47677), (1715, 47121), (2085, 38759), (2373, 34055), (2919, 27685), (3955, 20433), (4865, 16611), (5145, 15707), (5537, 14595), (6811, 11865)]