173878740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137999}}^1$

素因数の和:138021

約数の個数: 72

約数和(自身を含む): 602784000

約数和(自身を除く): 428905260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 137999, 275998, 413997, 551996, 689995, 827994, 965993, 1241991, 1379990, 1655988, 1931986, 2069985, 2483982, 2759980, 2897979, 3863972, 4139970, 4829965, 4967964, 5795958, 6209955, 8279940, 8693937, 9659930, 11591916, 12419910, 14489895, 17387874, 19319860, 24839820, 28979790, 34775748, 43469685, 57959580, 86939370, 173878740]

約数ペア:

[(1, 173878740), (2, 86939370), (3, 57959580), (4, 43469685), (5, 34775748), (6, 28979790), (7, 24839820), (9, 19319860), (10, 17387874), (12, 14489895), (14, 12419910), (15, 11591916), (18, 9659930), (20, 8693937), (21, 8279940), (28, 6209955), (30, 5795958), (35, 4967964), (36, 4829965), (42, 4139970), (45, 3863972), (60, 2897979), (63, 2759980), (70, 2483982), (84, 2069985), (90, 1931986), (105, 1655988), (126, 1379990), (140, 1241991), (180, 965993), (210, 827994), (252, 689995), (315, 551996), (420, 413997), (630, 275998), (1260, 137999)]