81509040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1531

約数の個数: 120

約数和(自身を含む): 277392960

約数和(自身を除く): 195883920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1433, 1580, 1896, 2370, 2844, 2866, 3160, 3555, 3792, 4299, 4740, 5688, 5732, 6320, 7110, 7165, 8598, 9480, 11376, 11464, 12897, 14220, 14330, 17196, 18960, 21495, 22928, 25794, 28440, 28660, 34392, 42990, 51588, 56880, 57320, 64485, 68784, 85980, 103176, 113207, 114640, 128970, 171960, 206352, 226414, 257940, 339621, 343920, 452828, 515880, 566035, 679242, 905656, 1018863, 1031760, 1132070, 1358484, 1698105, 1811312, 2037726, 2264140, 2716968, 3396210, 4075452, 4528280, 5094315, 5433936, 6792420, 8150904, 9056560, 10188630, 13584840, 16301808, 20377260, 27169680, 40754520, 81509040]

約数ペア:

[(1, 81509040), (2, 40754520), (3, 27169680), (4, 20377260), (5, 16301808), (6, 13584840), (8, 10188630), (9, 9056560), (10, 8150904), (12, 6792420), (15, 5433936), (16, 5094315), (18, 4528280), (20, 4075452), (24, 3396210), (30, 2716968), (36, 2264140), (40, 2037726), (45, 1811312), (48, 1698105), (60, 1358484), (72, 1132070), (79, 1031760), (80, 1018863), (90, 905656), (120, 679242), (144, 566035), (158, 515880), (180, 452828), (237, 343920), (240, 339621), (316, 257940), (360, 226414), (395, 206352), (474, 171960), (632, 128970), (711, 114640), (720, 113207), (790, 103176), (948, 85980), (1185, 68784), (1264, 64485), (1422, 57320), (1433, 56880), (1580, 51588), (1896, 42990), (2370, 34392), (2844, 28660), (2866, 28440), (3160, 25794), (3555, 22928), (3792, 21495), (4299, 18960), (4740, 17196), (5688, 14330), (5732, 14220), (6320, 12897), (7110, 11464), (7165, 11376), (8598, 9480)]