642447360

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{6971}}^1$

素因数の和:7004

約数の個数: 144

約数和(自身を含む): 2226926520

約数和(自身を除く): 1584479160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 6971, 7680, 9216, 10240, 11520, 13942, 15360, 18432, 20913, 23040, 27884, 30720, 34855, 41826, 46080, 55768, 62739, 69710, 83652, 92160, 104565, 111536, 125478, 139420, 167304, 209130, 223072, 250956, 278840, 313695, 334608, 418260, 446144, 501912, 557680, 627390, 669216, 836520, 892288, 1003824, 1115360, 1254780, 1338432, 1673040, 1784576, 2007648, 2230720, 2509560, 2676864, 3346080, 3569152, 4015296, 4461440, 5019120, 5353728, 6692160, 7138304, 8030592, 8922880, 10038240, 10707456, 13384320, 14276608, 16061184, 17845760, 20076480, 21414912, 26768640, 32122368, 35691520, 40152960, 42829824, 53537280, 64244736, 71383040, 80305920, 107074560, 128489472, 160611840, 214149120, 321223680, 642447360]

約数ペア:

[(1, 642447360), (2, 321223680), (3, 214149120), (4, 160611840), (5, 128489472), (6, 107074560), (8, 80305920), (9, 71383040), (10, 64244736), (12, 53537280), (15, 42829824), (16, 40152960), (18, 35691520), (20, 32122368), (24, 26768640), (30, 21414912), (32, 20076480), (36, 17845760), (40, 16061184), (45, 14276608), (48, 13384320), (60, 10707456), (64, 10038240), (72, 8922880), (80, 8030592), (90, 7138304), (96, 6692160), (120, 5353728), (128, 5019120), (144, 4461440), (160, 4015296), (180, 3569152), (192, 3346080), (240, 2676864), (256, 2509560), (288, 2230720), (320, 2007648), (360, 1784576), (384, 1673040), (480, 1338432), (512, 1254780), (576, 1115360), (640, 1003824), (720, 892288), (768, 836520), (960, 669216), (1024, 627390), (1152, 557680), (1280, 501912), (1440, 446144), (1536, 418260), (1920, 334608), (2048, 313695), (2304, 278840), (2560, 250956), (2880, 223072), (3072, 209130), (3840, 167304), (4608, 139420), (5120, 125478), (5760, 111536), (6144, 104565), (6971, 92160), (7680, 83652), (9216, 69710), (10240, 62739), (11520, 55768), (13942, 46080), (15360, 41826), (18432, 34855), (20913, 30720), (23040, 27884)]