25687680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 86806080

約数和(自身を除く): 61118400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 787, 816, 960, 1020, 1088, 1360, 1574, 1632, 1920, 2040, 2176, 2361, 2720, 3148, 3264, 3935, 4080, 4722, 5440, 6296, 6528, 7870, 8160, 9444, 10880, 11805, 12592, 13379, 15740, 16320, 18888, 23610, 25184, 26758, 31480, 32640, 37776, 40137, 47220, 50368, 53516, 62960, 66895, 75552, 80274, 94440, 100736, 107032, 125920, 133790, 151104, 160548, 188880, 200685, 214064, 251840, 267580, 302208, 321096, 377760, 401370, 428128, 503680, 535160, 642192, 755520, 802740, 856256, 1070320, 1284384, 1511040, 1605480, 1712512, 2140640, 2568768, 3210960, 4281280, 5137536, 6421920, 8562560, 12843840, 25687680]

約数ペア:

[(1, 25687680), (2, 12843840), (3, 8562560), (4, 6421920), (5, 5137536), (6, 4281280), (8, 3210960), (10, 2568768), (12, 2140640), (15, 1712512), (16, 1605480), (17, 1511040), (20, 1284384), (24, 1070320), (30, 856256), (32, 802740), (34, 755520), (40, 642192), (48, 535160), (51, 503680), (60, 428128), (64, 401370), (68, 377760), (80, 321096), (85, 302208), (96, 267580), (102, 251840), (120, 214064), (128, 200685), (136, 188880), (160, 160548), (170, 151104), (192, 133790), (204, 125920), (240, 107032), (255, 100736), (272, 94440), (320, 80274), (340, 75552), (384, 66895), (408, 62960), (480, 53516), (510, 50368), (544, 47220), (640, 40137), (680, 37776), (787, 32640), (816, 31480), (960, 26758), (1020, 25184), (1088, 23610), (1360, 18888), (1574, 16320), (1632, 15740), (1920, 13379), (2040, 12592), (2176, 11805), (2361, 10880), (2720, 9444), (3148, 8160), (3264, 7870), (3935, 6528), (4080, 6296), (4722, 5440)]