1307280520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359143}}^1$

素因数の和:359174

約数の個数: 64

約数和(自身を含む): 3620171520

約数和(自身を除く): 2312891000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 359143, 718286, 1436572, 1795715, 2514001, 2873144, 3591430, 4668859, 5028002, 7182860, 9337718, 10056004, 12570005, 14365720, 18675436, 20112008, 23344295, 25140010, 32682013, 37350872, 46688590, 50280020, 65364026, 93377180, 100560040, 130728052, 163410065, 186754360, 261456104, 326820130, 653640260, 1307280520]

約数ペア:

[(1, 1307280520), (2, 653640260), (4, 326820130), (5, 261456104), (7, 186754360), (8, 163410065), (10, 130728052), (13, 100560040), (14, 93377180), (20, 65364026), (26, 50280020), (28, 46688590), (35, 37350872), (40, 32682013), (52, 25140010), (56, 23344295), (65, 20112008), (70, 18675436), (91, 14365720), (104, 12570005), (130, 10056004), (140, 9337718), (182, 7182860), (260, 5028002), (280, 4668859), (364, 3591430), (455, 2873144), (520, 2514001), (728, 1795715), (910, 1436572), (1820, 718286), (3640, 359143)]