72432080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 193689984

約数和(自身を除く): 121257904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 613, 844, 1055, 1226, 1477, 1688, 2110, 2452, 2954, 3065, 3376, 4220, 4291, 4904, 5908, 6130, 7385, 8440, 8582, 9808, 11816, 12260, 14770, 16880, 17164, 21455, 23632, 24520, 29540, 34328, 42910, 49040, 59080, 68656, 85820, 118160, 129343, 171640, 258686, 343280, 517372, 646715, 905401, 1034744, 1293430, 1810802, 2069488, 2586860, 3621604, 4527005, 5173720, 7243208, 9054010, 10347440, 14486416, 18108020, 36216040, 72432080]

約数ペア:

[(1, 72432080), (2, 36216040), (4, 18108020), (5, 14486416), (7, 10347440), (8, 9054010), (10, 7243208), (14, 5173720), (16, 4527005), (20, 3621604), (28, 2586860), (35, 2069488), (40, 1810802), (56, 1293430), (70, 1034744), (80, 905401), (112, 646715), (140, 517372), (211, 343280), (280, 258686), (422, 171640), (560, 129343), (613, 118160), (844, 85820), (1055, 68656), (1226, 59080), (1477, 49040), (1688, 42910), (2110, 34328), (2452, 29540), (2954, 24520), (3065, 23632), (3376, 21455), (4220, 17164), (4291, 16880), (4904, 14770), (5908, 12260), (6130, 11816), (7385, 9808), (8440, 8582)]