290638320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172999}}^1$

素因数の和:173022

約数の個数: 80

約数和(自身を含む): 1029696000

約数和(自身を除く): 739057680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172999, 345998, 518997, 691996, 864995, 1037994, 1210993, 1383992, 1729990, 2075988, 2421986, 2594985, 2767984, 3459980, 3632979, 4151976, 4843972, 5189970, 6054965, 6919960, 7265958, 8303952, 9687944, 10379940, 12109930, 13839920, 14531916, 18164895, 19375888, 20759880, 24219860, 29063832, 36329790, 41519760, 48439720, 58127664, 72659580, 96879440, 145319160, 290638320]

約数ペア:

[(1, 290638320), (2, 145319160), (3, 96879440), (4, 72659580), (5, 58127664), (6, 48439720), (7, 41519760), (8, 36329790), (10, 29063832), (12, 24219860), (14, 20759880), (15, 19375888), (16, 18164895), (20, 14531916), (21, 13839920), (24, 12109930), (28, 10379940), (30, 9687944), (35, 8303952), (40, 7265958), (42, 6919960), (48, 6054965), (56, 5189970), (60, 4843972), (70, 4151976), (80, 3632979), (84, 3459980), (105, 2767984), (112, 2594985), (120, 2421986), (140, 2075988), (168, 1729990), (210, 1383992), (240, 1210993), (280, 1037994), (336, 864995), (420, 691996), (560, 518997), (840, 345998), (1680, 172999)]