17981460

素因数分解:

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

素因数の和:163

約数の個数: 192

約数和(自身を含む): 65802240

約数和(自身を除く): 47820780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 71, 84, 90, 105, 108, 126, 134, 135, 140, 142, 180, 189, 201, 210, 213, 252, 268, 270, 284, 315, 335, 355, 378, 402, 420, 426, 469, 497, 540, 603, 630, 639, 670, 710, 756, 804, 852, 938, 945, 994, 1005, 1065, 1206, 1260, 1278, 1340, 1407, 1420, 1491, 1809, 1876, 1890, 1917, 1988, 2010, 2130, 2345, 2412, 2485, 2556, 2814, 2982, 3015, 3195, 3618, 3780, 3834, 4020, 4221, 4260, 4473, 4690, 4757, 4970, 5628, 5964, 6030, 6390, 7035, 7236, 7455, 7668, 8442, 8946, 9045, 9380, 9514, 9585, 9940, 12060, 12663, 12780, 13419, 14070, 14271, 14910, 16884, 17892, 18090, 19028, 19170, 21105, 22365, 23785, 25326, 26838, 28140, 28542, 29820, 33299, 36180, 38340, 42210, 42813, 44730, 47570, 50652, 53676, 57084, 63315, 66598, 67095, 71355, 84420, 85626, 89460, 95140, 99897, 126630, 128439, 133196, 134190, 142710, 166495, 171252, 199794, 214065, 253260, 256878, 268380, 285420, 299691, 332990, 399588, 428130, 499485, 513756, 599382, 642195, 665980, 856260, 899073, 998970, 1198764, 1284390, 1498455, 1798146, 1997940, 2568780, 2996910, 3596292, 4495365, 5993820, 8990730, 17981460]

約数ペア:

[(1, 17981460), (2, 8990730), (3, 5993820), (4, 4495365), (5, 3596292), (6, 2996910), (7, 2568780), (9, 1997940), (10, 1798146), (12, 1498455), (14, 1284390), (15, 1198764), (18, 998970), (20, 899073), (21, 856260), (27, 665980), (28, 642195), (30, 599382), (35, 513756), (36, 499485), (42, 428130), (45, 399588), (54, 332990), (60, 299691), (63, 285420), (67, 268380), (70, 256878), (71, 253260), (84, 214065), (90, 199794), (105, 171252), (108, 166495), (126, 142710), (134, 134190), (135, 133196), (140, 128439), (142, 126630), (180, 99897), (189, 95140), (201, 89460), (210, 85626), (213, 84420), (252, 71355), (268, 67095), (270, 66598), (284, 63315), (315, 57084), (335, 53676), (355, 50652), (378, 47570), (402, 44730), (420, 42813), (426, 42210), (469, 38340), (497, 36180), (540, 33299), (603, 29820), (630, 28542), (639, 28140), (670, 26838), (710, 25326), (756, 23785), (804, 22365), (852, 21105), (938, 19170), (945, 19028), (994, 18090), (1005, 17892), (1065, 16884), (1206, 14910), (1260, 14271), (1278, 14070), (1340, 13419), (1407, 12780), (1420, 12663), (1491, 12060), (1809, 9940), (1876, 9585), (1890, 9514), (1917, 9380), (1988, 9045), (2010, 8946), (2130, 8442), (2345, 7668), (2412, 7455), (2485, 7236), (2556, 7035), (2814, 6390), (2982, 6030), (3015, 5964), (3195, 5628), (3618, 4970), (3780, 4757), (3834, 4690), (4020, 4473), (4221, 4260)]