20315665920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{240479}}^1$

素因数の和:240516

約数の個数: 160

約数和(自身を含む): 70851179520

約数和(自身を除く): 50535513600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1536, 1760, 1920, 2112, 2560, 2640, 2816, 3520, 3840, 4224, 5280, 5632, 7040, 7680, 8448, 10560, 14080, 16896, 21120, 28160, 42240, 84480, 240479, 480958, 721437, 961916, 1202395, 1442874, 1923832, 2404790, 2645269, 2885748, 3607185, 3847664, 4809580, 5290538, 5771496, 7214370, 7695328, 7935807, 9619160, 10581076, 11542992, 13226345, 14428740, 15390656, 15871614, 19238320, 21162152, 23085984, 26452690, 28857480, 30781312, 31743228, 38476640, 39679035, 42324304, 46171968, 52905380, 57714960, 61562624, 63486456, 76953280, 79358070, 84648608, 92343936, 105810760, 115429920, 123125248, 126972912, 153906560, 158716140, 169297216, 184687872, 211621520, 230859840, 253945824, 307813120, 317432280, 338594432, 369375744, 423243040, 461719680, 507891648, 615626240, 634864560, 677188864, 846486080, 923439360, 1015783296, 1269729120, 1354377728, 1692972160, 1846878720, 2031566592, 2539458240, 3385944320, 4063133184, 5078916480, 6771888640, 10157832960, 20315665920]

約数ペア:

[(1, 20315665920), (2, 10157832960), (3, 6771888640), (4, 5078916480), (5, 4063133184), (6, 3385944320), (8, 2539458240), (10, 2031566592), (11, 1846878720), (12, 1692972160), (15, 1354377728), (16, 1269729120), (20, 1015783296), (22, 923439360), (24, 846486080), (30, 677188864), (32, 634864560), (33, 615626240), (40, 507891648), (44, 461719680), (48, 423243040), (55, 369375744), (60, 338594432), (64, 317432280), (66, 307813120), (80, 253945824), (88, 230859840), (96, 211621520), (110, 184687872), (120, 169297216), (128, 158716140), (132, 153906560), (160, 126972912), (165, 123125248), (176, 115429920), (192, 105810760), (220, 92343936), (240, 84648608), (256, 79358070), (264, 76953280), (320, 63486456), (330, 61562624), (352, 57714960), (384, 52905380), (440, 46171968), (480, 42324304), (512, 39679035), (528, 38476640), (640, 31743228), (660, 30781312), (704, 28857480), (768, 26452690), (880, 23085984), (960, 21162152), (1056, 19238320), (1280, 15871614), (1320, 15390656), (1408, 14428740), (1536, 13226345), (1760, 11542992), (1920, 10581076), (2112, 9619160), (2560, 7935807), (2640, 7695328), (2816, 7214370), (3520, 5771496), (3840, 5290538), (4224, 4809580), (5280, 3847664), (5632, 3607185), (7040, 2885748), (7680, 2645269), (8448, 2404790), (10560, 1923832), (14080, 1442874), (16896, 1202395), (21120, 961916), (28160, 721437), (42240, 480958), (84480, 240479)]