28725120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{4987}}^1$

素因数の和:5012

約数の個数: 96

約数和(自身を含む): 99211320

約数和(自身を除く): 70486200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 4987, 5760, 9974, 14961, 19948, 24935, 29922, 39896, 44883, 49870, 59844, 74805, 79792, 89766, 99740, 119688, 149610, 159584, 179532, 199480, 224415, 239376, 299220, 319168, 359064, 398960, 448830, 478752, 598440, 638336, 718128, 797920, 897660, 957504, 1196880, 1436256, 1595840, 1795320, 1915008, 2393760, 2872512, 3191680, 3590640, 4787520, 5745024, 7181280, 9575040, 14362560, 28725120]

約数ペア:

[(1, 28725120), (2, 14362560), (3, 9575040), (4, 7181280), (5, 5745024), (6, 4787520), (8, 3590640), (9, 3191680), (10, 2872512), (12, 2393760), (15, 1915008), (16, 1795320), (18, 1595840), (20, 1436256), (24, 1196880), (30, 957504), (32, 897660), (36, 797920), (40, 718128), (45, 638336), (48, 598440), (60, 478752), (64, 448830), (72, 398960), (80, 359064), (90, 319168), (96, 299220), (120, 239376), (128, 224415), (144, 199480), (160, 179532), (180, 159584), (192, 149610), (240, 119688), (288, 99740), (320, 89766), (360, 79792), (384, 74805), (480, 59844), (576, 49870), (640, 44883), (720, 39896), (960, 29922), (1152, 24935), (1440, 19948), (1920, 14961), (2880, 9974), (4987, 5760)]