15720000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 140

約数和(自身を含む): 52370736

約数和(自身を除く): 36650736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 131, 150, 160, 192, 200, 240, 250, 262, 300, 320, 375, 393, 400, 480, 500, 524, 600, 625, 655, 750, 786, 800, 960, 1000, 1048, 1200, 1250, 1310, 1500, 1572, 1600, 1875, 1965, 2000, 2096, 2400, 2500, 2620, 3000, 3144, 3275, 3750, 3930, 4000, 4192, 4800, 5000, 5240, 6000, 6288, 6550, 7500, 7860, 8000, 8384, 9825, 10000, 10480, 12000, 12576, 13100, 15000, 15720, 16375, 19650, 20000, 20960, 24000, 25152, 26200, 30000, 31440, 32750, 39300, 40000, 41920, 49125, 52400, 60000, 62880, 65500, 78600, 81875, 98250, 104800, 120000, 125760, 131000, 157200, 163750, 196500, 209600, 245625, 262000, 314400, 327500, 393000, 491250, 524000, 628800, 655000, 786000, 982500, 1048000, 1310000, 1572000, 1965000, 2620000, 3144000, 3930000, 5240000, 7860000, 15720000]

約数ペア:

[(1, 15720000), (2, 7860000), (3, 5240000), (4, 3930000), (5, 3144000), (6, 2620000), (8, 1965000), (10, 1572000), (12, 1310000), (15, 1048000), (16, 982500), (20, 786000), (24, 655000), (25, 628800), (30, 524000), (32, 491250), (40, 393000), (48, 327500), (50, 314400), (60, 262000), (64, 245625), (75, 209600), (80, 196500), (96, 163750), (100, 157200), (120, 131000), (125, 125760), (131, 120000), (150, 104800), (160, 98250), (192, 81875), (200, 78600), (240, 65500), (250, 62880), (262, 60000), (300, 52400), (320, 49125), (375, 41920), (393, 40000), (400, 39300), (480, 32750), (500, 31440), (524, 30000), (600, 26200), (625, 25152), (655, 24000), (750, 20960), (786, 20000), (800, 19650), (960, 16375), (1000, 15720), (1048, 15000), (1200, 13100), (1250, 12576), (1310, 12000), (1500, 10480), (1572, 10000), (1600, 9825), (1875, 8384), (1965, 8000), (2000, 7860), (2096, 7500), (2400, 6550), (2500, 6288), (2620, 6000), (3000, 5240), (3144, 5000), (3275, 4800), (3750, 4192), (3930, 4000)]