80985240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4591}}^1$

素因数の和:4622

約数の個数: 144

約数和(自身を含む): 306240480

約数和(自身を除く): 225255240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4591, 5880, 8820, 9182, 13773, 17640, 18364, 22955, 27546, 32137, 36728, 41319, 45910, 55092, 64274, 68865, 82638, 91820, 96411, 110184, 128548, 137730, 160685, 165276, 183640, 192822, 206595, 224959, 257096, 275460, 289233, 321370, 330552, 385644, 413190, 449918, 482055, 550920, 578466, 642740, 674877, 771288, 826380, 899836, 964110, 1124795, 1156932, 1285480, 1349754, 1446165, 1652760, 1799672, 1928220, 2024631, 2249590, 2313864, 2699508, 2892330, 3374385, 3856440, 4049262, 4499180, 5399016, 5784660, 6748770, 8098524, 8998360, 10123155, 11569320, 13497540, 16197048, 20246310, 26995080, 40492620, 80985240]

約数ペア:

[(1, 80985240), (2, 40492620), (3, 26995080), (4, 20246310), (5, 16197048), (6, 13497540), (7, 11569320), (8, 10123155), (9, 8998360), (10, 8098524), (12, 6748770), (14, 5784660), (15, 5399016), (18, 4499180), (20, 4049262), (21, 3856440), (24, 3374385), (28, 2892330), (30, 2699508), (35, 2313864), (36, 2249590), (40, 2024631), (42, 1928220), (45, 1799672), (49, 1652760), (56, 1446165), (60, 1349754), (63, 1285480), (70, 1156932), (72, 1124795), (84, 964110), (90, 899836), (98, 826380), (105, 771288), (120, 674877), (126, 642740), (140, 578466), (147, 550920), (168, 482055), (180, 449918), (196, 413190), (210, 385644), (245, 330552), (252, 321370), (280, 289233), (294, 275460), (315, 257096), (360, 224959), (392, 206595), (420, 192822), (441, 183640), (490, 165276), (504, 160685), (588, 137730), (630, 128548), (735, 110184), (840, 96411), (882, 91820), (980, 82638), (1176, 68865), (1260, 64274), (1470, 55092), (1764, 45910), (1960, 41319), (2205, 36728), (2520, 32137), (2940, 27546), (3528, 22955), (4410, 18364), (4591, 17640), (5880, 13773), (8820, 9182)]