670720000

素因数分解:

$2^{13}\times 5^4\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 140

約数和(自身を含む): 1688956236

約数和(自身を除く): 1018236236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 131, 160, 200, 250, 256, 262, 320, 400, 500, 512, 524, 625, 640, 655, 800, 1000, 1024, 1048, 1250, 1280, 1310, 1600, 2000, 2048, 2096, 2500, 2560, 2620, 3200, 3275, 4000, 4096, 4192, 5000, 5120, 5240, 6400, 6550, 8000, 8192, 8384, 10000, 10240, 10480, 12800, 13100, 16000, 16375, 16768, 20000, 20480, 20960, 25600, 26200, 32000, 32750, 33536, 40000, 40960, 41920, 51200, 52400, 64000, 65500, 67072, 80000, 81875, 83840, 102400, 104800, 128000, 131000, 134144, 160000, 163750, 167680, 204800, 209600, 256000, 262000, 268288, 320000, 327500, 335360, 419200, 512000, 524000, 536576, 640000, 655000, 670720, 838400, 1024000, 1048000, 1073152, 1280000, 1310000, 1341440, 1676800, 2096000, 2560000, 2620000, 2682880, 3353600, 4192000, 5120000, 5240000, 5365760, 6707200, 8384000, 10480000, 13414400, 16768000, 20960000, 26828800, 33536000, 41920000, 67072000, 83840000, 134144000, 167680000, 335360000, 670720000]

約数ペア:

[(1, 670720000), (2, 335360000), (4, 167680000), (5, 134144000), (8, 83840000), (10, 67072000), (16, 41920000), (20, 33536000), (25, 26828800), (32, 20960000), (40, 16768000), (50, 13414400), (64, 10480000), (80, 8384000), (100, 6707200), (125, 5365760), (128, 5240000), (131, 5120000), (160, 4192000), (200, 3353600), (250, 2682880), (256, 2620000), (262, 2560000), (320, 2096000), (400, 1676800), (500, 1341440), (512, 1310000), (524, 1280000), (625, 1073152), (640, 1048000), (655, 1024000), (800, 838400), (1000, 670720), (1024, 655000), (1048, 640000), (1250, 536576), (1280, 524000), (1310, 512000), (1600, 419200), (2000, 335360), (2048, 327500), (2096, 320000), (2500, 268288), (2560, 262000), (2620, 256000), (3200, 209600), (3275, 204800), (4000, 167680), (4096, 163750), (4192, 160000), (5000, 134144), (5120, 131000), (5240, 128000), (6400, 104800), (6550, 102400), (8000, 83840), (8192, 81875), (8384, 80000), (10000, 67072), (10240, 65500), (10480, 64000), (12800, 52400), (13100, 51200), (16000, 41920), (16375, 40960), (16768, 40000), (20000, 33536), (20480, 32750), (20960, 32000), (25600, 26200)]