25566720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{3329}}^1$

素因数の和:3355

約数の個数: 80

約数和(自身を含む): 81758160

約数和(自身を除く): 56191440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3329, 3840, 6658, 7680, 9987, 13316, 16645, 19974, 26632, 33290, 39948, 49935, 53264, 66580, 79896, 99870, 106528, 133160, 159792, 199740, 213056, 266320, 319584, 399480, 426112, 532640, 639168, 798960, 852224, 1065280, 1278336, 1597920, 1704448, 2130560, 2556672, 3195840, 4261120, 5113344, 6391680, 8522240, 12783360, 25566720]

約数ペア:

[(1, 25566720), (2, 12783360), (3, 8522240), (4, 6391680), (5, 5113344), (6, 4261120), (8, 3195840), (10, 2556672), (12, 2130560), (15, 1704448), (16, 1597920), (20, 1278336), (24, 1065280), (30, 852224), (32, 798960), (40, 639168), (48, 532640), (60, 426112), (64, 399480), (80, 319584), (96, 266320), (120, 213056), (128, 199740), (160, 159792), (192, 133160), (240, 106528), (256, 99870), (320, 79896), (384, 66580), (480, 53264), (512, 49935), (640, 39948), (768, 33290), (960, 26632), (1280, 19974), (1536, 16645), (1920, 13316), (2560, 9987), (3329, 7680), (3840, 6658)]