28076880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8999}}^1$

素因数の和:9028

約数の個数: 80

約数和(自身を含む): 93744000

約数和(自身を除く): 65667120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 8999, 17998, 26997, 35996, 44995, 53994, 71992, 89990, 107988, 116987, 134985, 143984, 179980, 215976, 233974, 269970, 350961, 359960, 431952, 467948, 539940, 584935, 701922, 719920, 935896, 1079880, 1169870, 1403844, 1754805, 1871792, 2159760, 2339740, 2807688, 3509610, 4679480, 5615376, 7019220, 9358960, 14038440, 28076880]

約数ペア:

[(1, 28076880), (2, 14038440), (3, 9358960), (4, 7019220), (5, 5615376), (6, 4679480), (8, 3509610), (10, 2807688), (12, 2339740), (13, 2159760), (15, 1871792), (16, 1754805), (20, 1403844), (24, 1169870), (26, 1079880), (30, 935896), (39, 719920), (40, 701922), (48, 584935), (52, 539940), (60, 467948), (65, 431952), (78, 359960), (80, 350961), (104, 269970), (120, 233974), (130, 215976), (156, 179980), (195, 143984), (208, 134985), (240, 116987), (260, 107988), (312, 89990), (390, 71992), (520, 53994), (624, 44995), (780, 35996), (1040, 26997), (1560, 17998), (3120, 8999)]