30871440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 120

約数和(自身を含む): 105763320

約数和(自身を除く): 74891880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 809, 848, 954, 1060, 1272, 1590, 1618, 1908, 2120, 2385, 2427, 2544, 3180, 3236, 3816, 4045, 4240, 4770, 4854, 6360, 6472, 7281, 7632, 8090, 9540, 9708, 12135, 12720, 12944, 14562, 16180, 19080, 19416, 24270, 29124, 32360, 36405, 38160, 38832, 42877, 48540, 58248, 64720, 72810, 85754, 97080, 116496, 128631, 145620, 171508, 194160, 214385, 257262, 291240, 343016, 385893, 428770, 514524, 582480, 643155, 686032, 771786, 857540, 1029048, 1286310, 1543572, 1715080, 1929465, 2058096, 2572620, 3087144, 3430160, 3858930, 5145240, 6174288, 7717860, 10290480, 15435720, 30871440]

約数ペア:

[(1, 30871440), (2, 15435720), (3, 10290480), (4, 7717860), (5, 6174288), (6, 5145240), (8, 3858930), (9, 3430160), (10, 3087144), (12, 2572620), (15, 2058096), (16, 1929465), (18, 1715080), (20, 1543572), (24, 1286310), (30, 1029048), (36, 857540), (40, 771786), (45, 686032), (48, 643155), (53, 582480), (60, 514524), (72, 428770), (80, 385893), (90, 343016), (106, 291240), (120, 257262), (144, 214385), (159, 194160), (180, 171508), (212, 145620), (240, 128631), (265, 116496), (318, 97080), (360, 85754), (424, 72810), (477, 64720), (530, 58248), (636, 48540), (720, 42877), (795, 38832), (809, 38160), (848, 36405), (954, 32360), (1060, 29124), (1272, 24270), (1590, 19416), (1618, 19080), (1908, 16180), (2120, 14562), (2385, 12944), (2427, 12720), (2544, 12135), (3180, 9708), (3236, 9540), (3816, 8090), (4045, 7632), (4240, 7281), (4770, 6472), (4854, 6360)]