77779620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 249080832

約数和(自身を除く): 171301212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 263, 265, 279, 310, 318, 372, 465, 477, 526, 530, 558, 620, 636, 789, 795, 930, 954, 1052, 1060, 1116, 1315, 1395, 1578, 1590, 1643, 1860, 1908, 2367, 2385, 2630, 2790, 3156, 3180, 3286, 3945, 4734, 4770, 4929, 5260, 5580, 6572, 7890, 8153, 8215, 9468, 9540, 9858, 11835, 13939, 14787, 15780, 16306, 16430, 19716, 23670, 24459, 24645, 27878, 29574, 32612, 32860, 40765, 41817, 47340, 48918, 49290, 55756, 59148, 69695, 73377, 73935, 81530, 83634, 97836, 98580, 122295, 125451, 139390, 146754, 147870, 163060, 167268, 209085, 244590, 250902, 278780, 293508, 295740, 366885, 418170, 432109, 489180, 501804, 627255, 733770, 836340, 864218, 1254510, 1296327, 1467540, 1728436, 2160545, 2509020, 2592654, 3888981, 4321090, 5185308, 6481635, 7777962, 8642180, 12963270, 15555924, 19444905, 25926540, 38889810, 77779620]

約数ペア:

[(1, 77779620), (2, 38889810), (3, 25926540), (4, 19444905), (5, 15555924), (6, 12963270), (9, 8642180), (10, 7777962), (12, 6481635), (15, 5185308), (18, 4321090), (20, 3888981), (30, 2592654), (31, 2509020), (36, 2160545), (45, 1728436), (53, 1467540), (60, 1296327), (62, 1254510), (90, 864218), (93, 836340), (106, 733770), (124, 627255), (155, 501804), (159, 489180), (180, 432109), (186, 418170), (212, 366885), (263, 295740), (265, 293508), (279, 278780), (310, 250902), (318, 244590), (372, 209085), (465, 167268), (477, 163060), (526, 147870), (530, 146754), (558, 139390), (620, 125451), (636, 122295), (789, 98580), (795, 97836), (930, 83634), (954, 81530), (1052, 73935), (1060, 73377), (1116, 69695), (1315, 59148), (1395, 55756), (1578, 49290), (1590, 48918), (1643, 47340), (1860, 41817), (1908, 40765), (2367, 32860), (2385, 32612), (2630, 29574), (2790, 27878), (3156, 24645), (3180, 24459), (3286, 23670), (3945, 19716), (4734, 16430), (4770, 16306), (4929, 15780), (5260, 14787), (5580, 13939), (6572, 11835), (7890, 9858), (8153, 9540), (8215, 9468)]