420551460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1663

約数の個数: 192

約数和(自身を含む): 1517322240

約数和(自身を除く): 1096770780

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, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 270, 284, 315, 355, 378, 420, 426, 497, 540, 630, 639, 710, 756, 852, 945, 994, 1065, 1260, 1278, 1420, 1491, 1567, 1890, 1917, 1988, 2130, 2485, 2556, 2982, 3134, 3195, 3780, 3834, 4260, 4473, 4701, 4970, 5964, 6268, 6390, 7455, 7668, 7835, 8946, 9402, 9585, 9940, 10969, 12780, 13419, 14103, 14910, 15670, 17892, 18804, 19170, 21938, 22365, 23505, 26838, 28206, 29820, 31340, 32907, 38340, 42309, 43876, 44730, 47010, 53676, 54845, 56412, 65814, 67095, 70515, 84618, 89460, 94020, 98721, 109690, 111257, 131628, 134190, 141030, 164535, 169236, 197442, 211545, 219380, 222514, 268380, 282060, 296163, 329070, 333771, 394884, 423090, 445028, 493605, 556285, 592326, 658140, 667542, 778799, 846180, 987210, 1001313, 1112570, 1184652, 1335084, 1480815, 1557598, 1668855, 1974420, 2002626, 2225140, 2336397, 2961630, 3003939, 3115196, 3337710, 3893995, 4005252, 4672794, 5006565, 5923260, 6007878, 6675420, 7009191, 7787990, 9345588, 10013130, 11681985, 12015756, 14018382, 15019695, 15575980, 20026260, 21027573, 23363970, 28036764, 30039390, 35045955, 42055146, 46727940, 60078780, 70091910, 84110292, 105137865, 140183820, 210275730, 420551460]

約数ペア:

[(1, 420551460), (2, 210275730), (3, 140183820), (4, 105137865), (5, 84110292), (6, 70091910), (7, 60078780), (9, 46727940), (10, 42055146), (12, 35045955), (14, 30039390), (15, 28036764), (18, 23363970), (20, 21027573), (21, 20026260), (27, 15575980), (28, 15019695), (30, 14018382), (35, 12015756), (36, 11681985), (42, 10013130), (45, 9345588), (54, 7787990), (60, 7009191), (63, 6675420), (70, 6007878), (71, 5923260), (84, 5006565), (90, 4672794), (105, 4005252), (108, 3893995), (126, 3337710), (135, 3115196), (140, 3003939), (142, 2961630), (180, 2336397), (189, 2225140), (210, 2002626), (213, 1974420), (252, 1668855), (270, 1557598), (284, 1480815), (315, 1335084), (355, 1184652), (378, 1112570), (420, 1001313), (426, 987210), (497, 846180), (540, 778799), (630, 667542), (639, 658140), (710, 592326), (756, 556285), (852, 493605), (945, 445028), (994, 423090), (1065, 394884), (1260, 333771), (1278, 329070), (1420, 296163), (1491, 282060), (1567, 268380), (1890, 222514), (1917, 219380), (1988, 211545), (2130, 197442), (2485, 169236), (2556, 164535), (2982, 141030), (3134, 134190), (3195, 131628), (3780, 111257), (3834, 109690), (4260, 98721), (4473, 94020), (4701, 89460), (4970, 84618), (5964, 70515), (6268, 67095), (6390, 65814), (7455, 56412), (7668, 54845), (7835, 53676), (8946, 47010), (9402, 44730), (9585, 43876), (9940, 42309), (10969, 38340), (12780, 32907), (13419, 31340), (14103, 29820), (14910, 28206), (15670, 26838), (17892, 23505), (18804, 22365), (19170, 21938)]