8990730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 28200960

約数和(自身を除く): 19210230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 71, 90, 105, 126, 134, 135, 142, 189, 201, 210, 213, 270, 315, 335, 355, 378, 402, 426, 469, 497, 603, 630, 639, 670, 710, 938, 945, 994, 1005, 1065, 1206, 1278, 1407, 1491, 1809, 1890, 1917, 2010, 2130, 2345, 2485, 2814, 2982, 3015, 3195, 3618, 3834, 4221, 4473, 4690, 4757, 4970, 6030, 6390, 7035, 7455, 8442, 8946, 9045, 9514, 9585, 12663, 13419, 14070, 14271, 14910, 18090, 19170, 21105, 22365, 23785, 25326, 26838, 28542, 33299, 42210, 42813, 44730, 47570, 63315, 66598, 67095, 71355, 85626, 99897, 126630, 128439, 134190, 142710, 166495, 199794, 214065, 256878, 299691, 332990, 428130, 499485, 599382, 642195, 899073, 998970, 1284390, 1498455, 1798146, 2996910, 4495365, 8990730]

約数ペア:

[(1, 8990730), (2, 4495365), (3, 2996910), (5, 1798146), (6, 1498455), (7, 1284390), (9, 998970), (10, 899073), (14, 642195), (15, 599382), (18, 499485), (21, 428130), (27, 332990), (30, 299691), (35, 256878), (42, 214065), (45, 199794), (54, 166495), (63, 142710), (67, 134190), (70, 128439), (71, 126630), (90, 99897), (105, 85626), (126, 71355), (134, 67095), (135, 66598), (142, 63315), (189, 47570), (201, 44730), (210, 42813), (213, 42210), (270, 33299), (315, 28542), (335, 26838), (355, 25326), (378, 23785), (402, 22365), (426, 21105), (469, 19170), (497, 18090), (603, 14910), (630, 14271), (639, 14070), (670, 13419), (710, 12663), (938, 9585), (945, 9514), (994, 9045), (1005, 8946), (1065, 8442), (1206, 7455), (1278, 7035), (1407, 6390), (1491, 6030), (1809, 4970), (1890, 4757), (1917, 4690), (2010, 4473), (2130, 4221), (2345, 3834), (2485, 3618), (2814, 3195), (2982, 3015)]