20160240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 42835728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 167, 240, 334, 501, 503, 668, 835, 1002, 1006, 1336, 1509, 1670, 2004, 2012, 2505, 2515, 2672, 3018, 3340, 4008, 4024, 5010, 5030, 6036, 6680, 7545, 8016, 8048, 10020, 10060, 12072, 13360, 15090, 20040, 20120, 24144, 30180, 40080, 40240, 60360, 84001, 120720, 168002, 252003, 336004, 420005, 504006, 672008, 840010, 1008012, 1260015, 1344016, 1680020, 2016024, 2520030, 3360040, 4032048, 5040060, 6720080, 10080120, 20160240]

約数ペア:

[(1, 20160240), (2, 10080120), (3, 6720080), (4, 5040060), (5, 4032048), (6, 3360040), (8, 2520030), (10, 2016024), (12, 1680020), (15, 1344016), (16, 1260015), (20, 1008012), (24, 840010), (30, 672008), (40, 504006), (48, 420005), (60, 336004), (80, 252003), (120, 168002), (167, 120720), (240, 84001), (334, 60360), (501, 40240), (503, 40080), (668, 30180), (835, 24144), (1002, 20120), (1006, 20040), (1336, 15090), (1509, 13360), (1670, 12072), (2004, 10060), (2012, 10020), (2505, 8048), (2515, 8016), (2672, 7545), (3018, 6680), (3340, 6036), (4008, 5030), (4024, 5010)]