1608704000

素因数分解:

$2^{13}\times 5^3\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 112

約数和(自身を含む): 4017635856

約数和(自身を除く): 2408931856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1024, 1280, 1571, 1600, 2000, 2048, 2560, 3142, 3200, 4000, 4096, 5120, 6284, 6400, 7855, 8000, 8192, 10240, 12568, 12800, 15710, 16000, 20480, 25136, 25600, 31420, 32000, 39275, 40960, 50272, 51200, 62840, 64000, 78550, 100544, 102400, 125680, 128000, 157100, 196375, 201088, 204800, 251360, 256000, 314200, 392750, 402176, 502720, 512000, 628400, 785500, 804352, 1005440, 1024000, 1256800, 1571000, 1608704, 2010880, 2513600, 3142000, 3217408, 4021760, 5027200, 6284000, 6434816, 8043520, 10054400, 12568000, 12869632, 16087040, 20108800, 25136000, 32174080, 40217600, 50272000, 64348160, 80435200, 100544000, 160870400, 201088000, 321740800, 402176000, 804352000, 1608704000]

約数ペア:

[(1, 1608704000), (2, 804352000), (4, 402176000), (5, 321740800), (8, 201088000), (10, 160870400), (16, 100544000), (20, 80435200), (25, 64348160), (32, 50272000), (40, 40217600), (50, 32174080), (64, 25136000), (80, 20108800), (100, 16087040), (125, 12869632), (128, 12568000), (160, 10054400), (200, 8043520), (250, 6434816), (256, 6284000), (320, 5027200), (400, 4021760), (500, 3217408), (512, 3142000), (640, 2513600), (800, 2010880), (1000, 1608704), (1024, 1571000), (1280, 1256800), (1571, 1024000), (1600, 1005440), (2000, 804352), (2048, 785500), (2560, 628400), (3142, 512000), (3200, 502720), (4000, 402176), (4096, 392750), (5120, 314200), (6284, 256000), (6400, 251360), (7855, 204800), (8000, 201088), (8192, 196375), (10240, 157100), (12568, 128000), (12800, 125680), (15710, 102400), (16000, 100544), (20480, 78550), (25136, 64000), (25600, 62840), (31420, 51200), (32000, 50272), (39275, 40960)]