628313880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1153

約数の個数: 128

約数和(自身を含む): 2003097600

約数和(自身を除く): 1374783720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 479, 510, 643, 680, 958, 1020, 1286, 1437, 1916, 1929, 2040, 2395, 2572, 2874, 3215, 3832, 3858, 4790, 5144, 5748, 6430, 7185, 7716, 8143, 9580, 9645, 10931, 11496, 12860, 14370, 15432, 16286, 19160, 19290, 21862, 24429, 25720, 28740, 32572, 32793, 38580, 40715, 43724, 48858, 54655, 57480, 65144, 65586, 77160, 81430, 87448, 97716, 109310, 122145, 131172, 162860, 163965, 195432, 218620, 244290, 262344, 307997, 325720, 327930, 437240, 488580, 615994, 655860, 923991, 977160, 1231988, 1311720, 1539985, 1847982, 2463976, 3079970, 3695964, 4619955, 5235949, 6159940, 7391928, 9239910, 10471898, 12319880, 15707847, 18479820, 20943796, 26179745, 31415694, 36959640, 41887592, 52359490, 62831388, 78539235, 104718980, 125662776, 157078470, 209437960, 314156940, 628313880]

約数ペア:

[(1, 628313880), (2, 314156940), (3, 209437960), (4, 157078470), (5, 125662776), (6, 104718980), (8, 78539235), (10, 62831388), (12, 52359490), (15, 41887592), (17, 36959640), (20, 31415694), (24, 26179745), (30, 20943796), (34, 18479820), (40, 15707847), (51, 12319880), (60, 10471898), (68, 9239910), (85, 7391928), (102, 6159940), (120, 5235949), (136, 4619955), (170, 3695964), (204, 3079970), (255, 2463976), (340, 1847982), (408, 1539985), (479, 1311720), (510, 1231988), (643, 977160), (680, 923991), (958, 655860), (1020, 615994), (1286, 488580), (1437, 437240), (1916, 327930), (1929, 325720), (2040, 307997), (2395, 262344), (2572, 244290), (2874, 218620), (3215, 195432), (3832, 163965), (3858, 162860), (4790, 131172), (5144, 122145), (5748, 109310), (6430, 97716), (7185, 87448), (7716, 81430), (8143, 77160), (9580, 65586), (9645, 65144), (10931, 57480), (11496, 54655), (12860, 48858), (14370, 43724), (15432, 40715), (16286, 38580), (19160, 32793), (19290, 32572), (21862, 28740), (24429, 25720)]