17972640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1811

約数の個数: 144

約数和(自身を含む): 70132608

約数和(自身を除く): 52159968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1783, 2016, 2520, 3360, 3566, 5040, 5349, 7132, 8915, 10080, 10698, 12481, 14264, 16047, 17830, 21396, 24962, 26745, 28528, 32094, 35660, 37443, 42792, 49924, 53490, 57056, 62405, 64188, 71320, 74886, 80235, 85584, 99848, 106980, 112329, 124810, 128376, 142640, 149772, 160470, 171168, 187215, 199696, 213960, 224658, 249620, 256752, 285280, 299544, 320940, 374430, 399392, 427920, 449316, 499240, 513504, 561645, 599088, 641880, 748860, 855840, 898632, 998480, 1123290, 1198176, 1283760, 1497720, 1797264, 1996960, 2246580, 2567520, 2995440, 3594528, 4493160, 5990880, 8986320, 17972640]

約数ペア:

[(1, 17972640), (2, 8986320), (3, 5990880), (4, 4493160), (5, 3594528), (6, 2995440), (7, 2567520), (8, 2246580), (9, 1996960), (10, 1797264), (12, 1497720), (14, 1283760), (15, 1198176), (16, 1123290), (18, 998480), (20, 898632), (21, 855840), (24, 748860), (28, 641880), (30, 599088), (32, 561645), (35, 513504), (36, 499240), (40, 449316), (42, 427920), (45, 399392), (48, 374430), (56, 320940), (60, 299544), (63, 285280), (70, 256752), (72, 249620), (80, 224658), (84, 213960), (90, 199696), (96, 187215), (105, 171168), (112, 160470), (120, 149772), (126, 142640), (140, 128376), (144, 124810), (160, 112329), (168, 106980), (180, 99848), (210, 85584), (224, 80235), (240, 74886), (252, 71320), (280, 64188), (288, 62405), (315, 57056), (336, 53490), (360, 49924), (420, 42792), (480, 37443), (504, 35660), (560, 32094), (630, 28528), (672, 26745), (720, 24962), (840, 21396), (1008, 17830), (1120, 16047), (1260, 14264), (1440, 12481), (1680, 10698), (1783, 10080), (2016, 8915), (2520, 7132), (3360, 5349), (3566, 5040)]