827680680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{255457}}^1$

素因数の和:255480

約数の個数: 80

約数和(自身を含む): 2781937620

約数和(自身を除く): 1954256940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 255457, 510914, 766371, 1021828, 1277285, 1532742, 2043656, 2299113, 2554570, 3065484, 3831855, 4598226, 5109140, 6130968, 6897339, 7663710, 9196452, 10218280, 11495565, 13794678, 15327420, 18392904, 20692017, 22991130, 27589356, 30654840, 34486695, 41384034, 45982260, 55178712, 68973390, 82768068, 91964520, 103460085, 137946780, 165536136, 206920170, 275893560, 413840340, 827680680]

約数ペア:

[(1, 827680680), (2, 413840340), (3, 275893560), (4, 206920170), (5, 165536136), (6, 137946780), (8, 103460085), (9, 91964520), (10, 82768068), (12, 68973390), (15, 55178712), (18, 45982260), (20, 41384034), (24, 34486695), (27, 30654840), (30, 27589356), (36, 22991130), (40, 20692017), (45, 18392904), (54, 15327420), (60, 13794678), (72, 11495565), (81, 10218280), (90, 9196452), (108, 7663710), (120, 6897339), (135, 6130968), (162, 5109140), (180, 4598226), (216, 3831855), (270, 3065484), (324, 2554570), (360, 2299113), (405, 2043656), (540, 1532742), (648, 1277285), (810, 1021828), (1080, 766371), (1620, 510914), (3240, 255457)]