81098640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16091}}^1$

素因数の和:16117

約数の個数: 120

約数和(自身を含む): 311283648

約数和(自身を除く): 230185008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16091, 32182, 48273, 64364, 80455, 96546, 112637, 128728, 144819, 160910, 193092, 225274, 241365, 257456, 289638, 321820, 337911, 386184, 450548, 482730, 563185, 579276, 643640, 675822, 724095, 772368, 901096, 965460, 1013733, 1126370, 1158552, 1287280, 1351644, 1448190, 1689555, 1802192, 1930920, 2027466, 2252740, 2317104, 2703288, 2896380, 3379110, 3861840, 4054932, 4505480, 5068665, 5406576, 5792760, 6758220, 8109864, 9010960, 10137330, 11585520, 13516440, 16219728, 20274660, 27032880, 40549320, 81098640]

約数ペア:

[(1, 81098640), (2, 40549320), (3, 27032880), (4, 20274660), (5, 16219728), (6, 13516440), (7, 11585520), (8, 10137330), (9, 9010960), (10, 8109864), (12, 6758220), (14, 5792760), (15, 5406576), (16, 5068665), (18, 4505480), (20, 4054932), (21, 3861840), (24, 3379110), (28, 2896380), (30, 2703288), (35, 2317104), (36, 2252740), (40, 2027466), (42, 1930920), (45, 1802192), (48, 1689555), (56, 1448190), (60, 1351644), (63, 1287280), (70, 1158552), (72, 1126370), (80, 1013733), (84, 965460), (90, 901096), (105, 772368), (112, 724095), (120, 675822), (126, 643640), (140, 579276), (144, 563185), (168, 482730), (180, 450548), (210, 386184), (240, 337911), (252, 321820), (280, 289638), (315, 257456), (336, 241365), (360, 225274), (420, 193092), (504, 160910), (560, 144819), (630, 128728), (720, 112637), (840, 96546), (1008, 80455), (1260, 64364), (1680, 48273), (2520, 32182), (5040, 16091)]