72327780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 253169280

約数和(自身を除く): 180841500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 180, 210, 252, 274, 315, 411, 419, 420, 548, 630, 685, 822, 838, 959, 1233, 1257, 1260, 1370, 1644, 1676, 1918, 2055, 2095, 2466, 2514, 2740, 2877, 2933, 3771, 3836, 4110, 4190, 4795, 4932, 5028, 5754, 5866, 6165, 6285, 7542, 8220, 8380, 8631, 8799, 9590, 11508, 11732, 12330, 12570, 14385, 14665, 15084, 17262, 17598, 18855, 19180, 24660, 25140, 26397, 28770, 29330, 34524, 35196, 37710, 43155, 43995, 52794, 57403, 57540, 58660, 75420, 86310, 87990, 105588, 114806, 131985, 172209, 172620, 175980, 229612, 263970, 287015, 344418, 401821, 516627, 527940, 574030, 688836, 803642, 861045, 1033254, 1148060, 1205463, 1607284, 1722090, 2009105, 2066508, 2410926, 2583135, 3444180, 3616389, 4018210, 4821852, 5166270, 6027315, 7232778, 8036420, 10332540, 12054630, 14465556, 18081945, 24109260, 36163890, 72327780]

約数ペア:

[(1, 72327780), (2, 36163890), (3, 24109260), (4, 18081945), (5, 14465556), (6, 12054630), (7, 10332540), (9, 8036420), (10, 7232778), (12, 6027315), (14, 5166270), (15, 4821852), (18, 4018210), (20, 3616389), (21, 3444180), (28, 2583135), (30, 2410926), (35, 2066508), (36, 2009105), (42, 1722090), (45, 1607284), (60, 1205463), (63, 1148060), (70, 1033254), (84, 861045), (90, 803642), (105, 688836), (126, 574030), (137, 527940), (140, 516627), (180, 401821), (210, 344418), (252, 287015), (274, 263970), (315, 229612), (411, 175980), (419, 172620), (420, 172209), (548, 131985), (630, 114806), (685, 105588), (822, 87990), (838, 86310), (959, 75420), (1233, 58660), (1257, 57540), (1260, 57403), (1370, 52794), (1644, 43995), (1676, 43155), (1918, 37710), (2055, 35196), (2095, 34524), (2466, 29330), (2514, 28770), (2740, 26397), (2877, 25140), (2933, 24660), (3771, 19180), (3836, 18855), (4110, 17598), (4190, 17262), (4795, 15084), (4932, 14665), (5028, 14385), (5754, 12570), (5866, 12330), (6165, 11732), (6285, 11508), (7542, 9590), (8220, 8799), (8380, 8631)]