31681620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 101582208

約数和(自身を除く): 69900588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 67, 71, 74, 90, 111, 134, 142, 148, 180, 185, 201, 213, 222, 268, 284, 333, 335, 355, 370, 402, 426, 444, 555, 603, 639, 666, 670, 710, 740, 804, 852, 1005, 1065, 1110, 1206, 1278, 1332, 1340, 1420, 1665, 2010, 2130, 2220, 2412, 2479, 2556, 2627, 3015, 3195, 3330, 4020, 4260, 4757, 4958, 5254, 6030, 6390, 6660, 7437, 7881, 9514, 9916, 10508, 12060, 12395, 12780, 13135, 14271, 14874, 15762, 19028, 22311, 23643, 23785, 24790, 26270, 28542, 29748, 31524, 37185, 39405, 42813, 44622, 47286, 47570, 49580, 52540, 57084, 71355, 74370, 78810, 85626, 89244, 94572, 95140, 111555, 118215, 142710, 148740, 157620, 171252, 176009, 214065, 223110, 236430, 285420, 352018, 428130, 446220, 472860, 528027, 704036, 856260, 880045, 1056054, 1584081, 1760090, 2112108, 2640135, 3168162, 3520180, 5280270, 6336324, 7920405, 10560540, 15840810, 31681620]

約数ペア:

[(1, 31681620), (2, 15840810), (3, 10560540), (4, 7920405), (5, 6336324), (6, 5280270), (9, 3520180), (10, 3168162), (12, 2640135), (15, 2112108), (18, 1760090), (20, 1584081), (30, 1056054), (36, 880045), (37, 856260), (45, 704036), (60, 528027), (67, 472860), (71, 446220), (74, 428130), (90, 352018), (111, 285420), (134, 236430), (142, 223110), (148, 214065), (180, 176009), (185, 171252), (201, 157620), (213, 148740), (222, 142710), (268, 118215), (284, 111555), (333, 95140), (335, 94572), (355, 89244), (370, 85626), (402, 78810), (426, 74370), (444, 71355), (555, 57084), (603, 52540), (639, 49580), (666, 47570), (670, 47286), (710, 44622), (740, 42813), (804, 39405), (852, 37185), (1005, 31524), (1065, 29748), (1110, 28542), (1206, 26270), (1278, 24790), (1332, 23785), (1340, 23643), (1420, 22311), (1665, 19028), (2010, 15762), (2130, 14874), (2220, 14271), (2412, 13135), (2479, 12780), (2556, 12395), (2627, 12060), (3015, 10508), (3195, 9916), (3330, 9514), (4020, 7881), (4260, 7437), (4757, 6660), (4958, 6390), (5254, 6030)]