18171720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7211}}^1$

素因数の和:7235

約数の個数: 96

約数和(自身を含む): 67504320

約数和(自身を除く): 49332600

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, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7211, 14422, 21633, 28844, 36055, 43266, 50477, 57688, 64899, 72110, 86532, 100954, 108165, 129798, 144220, 151431, 173064, 201908, 216330, 252385, 259596, 288440, 302862, 324495, 403816, 432660, 454293, 504770, 519192, 605724, 648990, 757155, 865320, 908586, 1009540, 1211448, 1297980, 1514310, 1817172, 2019080, 2271465, 2595960, 3028620, 3634344, 4542930, 6057240, 9085860, 18171720]

約数ペア:

[(1, 18171720), (2, 9085860), (3, 6057240), (4, 4542930), (5, 3634344), (6, 3028620), (7, 2595960), (8, 2271465), (9, 2019080), (10, 1817172), (12, 1514310), (14, 1297980), (15, 1211448), (18, 1009540), (20, 908586), (21, 865320), (24, 757155), (28, 648990), (30, 605724), (35, 519192), (36, 504770), (40, 454293), (42, 432660), (45, 403816), (56, 324495), (60, 302862), (63, 288440), (70, 259596), (72, 252385), (84, 216330), (90, 201908), (105, 173064), (120, 151431), (126, 144220), (140, 129798), (168, 108165), (180, 100954), (210, 86532), (252, 72110), (280, 64899), (315, 57688), (360, 50477), (420, 43266), (504, 36055), (630, 28844), (840, 21633), (1260, 14422), (2520, 7211)]