18780473520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{31771}}^1$

素因数の和:32611

約数の個数: 120

約数和(自身を含む): 63149900112

約数和(自身を除く): 44369426592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 821, 1642, 2463, 3284, 4105, 4926, 6568, 7389, 8210, 9852, 12315, 13136, 14778, 16420, 19704, 24630, 29556, 31771, 32840, 36945, 39408, 49260, 59112, 63542, 65680, 73890, 95313, 98520, 118224, 127084, 147780, 158855, 190626, 197040, 254168, 285939, 295560, 317710, 381252, 476565, 508336, 571878, 591120, 635420, 762504, 953130, 1143756, 1270840, 1429695, 1525008, 1906260, 2287512, 2541680, 2859390, 3812520, 4575024, 5718780, 7625040, 11437560, 22875120, 26083991, 52167982, 78251973, 104335964, 130419955, 156503946, 208671928, 234755919, 260839910, 313007892, 391259865, 417343856, 469511838, 521679820, 626015784, 782519730, 939023676, 1043359640, 1173779595, 1252031568, 1565039460, 1878047352, 2086719280, 2347559190, 3130078920, 3756094704, 4695118380, 6260157840, 9390236760, 18780473520]

約数ペア:

[(1, 18780473520), (2, 9390236760), (3, 6260157840), (4, 4695118380), (5, 3756094704), (6, 3130078920), (8, 2347559190), (9, 2086719280), (10, 1878047352), (12, 1565039460), (15, 1252031568), (16, 1173779595), (18, 1043359640), (20, 939023676), (24, 782519730), (30, 626015784), (36, 521679820), (40, 469511838), (45, 417343856), (48, 391259865), (60, 313007892), (72, 260839910), (80, 234755919), (90, 208671928), (120, 156503946), (144, 130419955), (180, 104335964), (240, 78251973), (360, 52167982), (720, 26083991), (821, 22875120), (1642, 11437560), (2463, 7625040), (3284, 5718780), (4105, 4575024), (4926, 3812520), (6568, 2859390), (7389, 2541680), (8210, 2287512), (9852, 1906260), (12315, 1525008), (13136, 1429695), (14778, 1270840), (16420, 1143756), (19704, 953130), (24630, 762504), (29556, 635420), (31771, 591120), (32840, 571878), (36945, 508336), (39408, 476565), (49260, 381252), (59112, 317710), (63542, 295560), (65680, 285939), (73890, 254168), (95313, 197040), (98520, 190626), (118224, 158855), (127084, 147780)]