1028942640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129917}}^1$

素因数の和:129947

約数の個数: 120

約数和(自身を含む): 3769700688

約数和(自身を除く): 2740758048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 129917, 259834, 389751, 519668, 649585, 779502, 1039336, 1169253, 1299170, 1429087, 1559004, 1948755, 2078672, 2338506, 2598340, 2858174, 3118008, 3897510, 4287261, 4677012, 5196680, 5716348, 5846265, 6236016, 7145435, 7795020, 8574522, 9354024, 10393360, 11432696, 11692530, 12861783, 14290870, 15590040, 17149044, 18708048, 21436305, 22865392, 23385060, 25723566, 28581740, 31180080, 34298088, 42872610, 46770120, 51447132, 57163480, 64308915, 68596176, 85745220, 93540240, 102894264, 114326960, 128617830, 171490440, 205788528, 257235660, 342980880, 514471320, 1028942640]

約数ペア:

[(1, 1028942640), (2, 514471320), (3, 342980880), (4, 257235660), (5, 205788528), (6, 171490440), (8, 128617830), (9, 114326960), (10, 102894264), (11, 93540240), (12, 85745220), (15, 68596176), (16, 64308915), (18, 57163480), (20, 51447132), (22, 46770120), (24, 42872610), (30, 34298088), (33, 31180080), (36, 28581740), (40, 25723566), (44, 23385060), (45, 22865392), (48, 21436305), (55, 18708048), (60, 17149044), (66, 15590040), (72, 14290870), (80, 12861783), (88, 11692530), (90, 11432696), (99, 10393360), (110, 9354024), (120, 8574522), (132, 7795020), (144, 7145435), (165, 6236016), (176, 5846265), (180, 5716348), (198, 5196680), (220, 4677012), (240, 4287261), (264, 3897510), (330, 3118008), (360, 2858174), (396, 2598340), (440, 2338506), (495, 2078672), (528, 1948755), (660, 1559004), (720, 1429087), (792, 1299170), (880, 1169253), (990, 1039336), (1320, 779502), (1584, 649585), (1980, 519668), (2640, 389751), (3960, 259834), (7920, 129917)]