161105280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12016

約数の個数: 128

約数和(自身を含む): 586932480

約数和(自身を除く): 425827200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 11987, 13440, 23974, 35961, 47948, 59935, 71922, 83909, 95896, 119870, 143844, 167818, 179805, 191792, 239740, 251727, 287688, 335636, 359610, 383584, 419545, 479480, 503454, 575376, 671272, 719220, 767168, 839090, 958960, 1006908, 1150752, 1258635, 1342544, 1438440, 1534336, 1678180, 1917920, 2013816, 2301504, 2517270, 2685088, 2876880, 3356360, 3835840, 4027632, 4603008, 5034540, 5370176, 5753760, 6712720, 7671680, 8055264, 10069080, 10740352, 11507520, 13425440, 16110528, 20138160, 23015040, 26850880, 32221056, 40276320, 53701760, 80552640, 161105280]

約数ペア:

[(1, 161105280), (2, 80552640), (3, 53701760), (4, 40276320), (5, 32221056), (6, 26850880), (7, 23015040), (8, 20138160), (10, 16110528), (12, 13425440), (14, 11507520), (15, 10740352), (16, 10069080), (20, 8055264), (21, 7671680), (24, 6712720), (28, 5753760), (30, 5370176), (32, 5034540), (35, 4603008), (40, 4027632), (42, 3835840), (48, 3356360), (56, 2876880), (60, 2685088), (64, 2517270), (70, 2301504), (80, 2013816), (84, 1917920), (96, 1678180), (105, 1534336), (112, 1438440), (120, 1342544), (128, 1258635), (140, 1150752), (160, 1006908), (168, 958960), (192, 839090), (210, 767168), (224, 719220), (240, 671272), (280, 575376), (320, 503454), (336, 479480), (384, 419545), (420, 383584), (448, 359610), (480, 335636), (560, 287688), (640, 251727), (672, 239740), (840, 191792), (896, 179805), (960, 167818), (1120, 143844), (1344, 119870), (1680, 95896), (1920, 83909), (2240, 71922), (2688, 59935), (3360, 47948), (4480, 35961), (6720, 23974), (11987, 13440)]