813491840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1$

素因数の和:567

約数の個数: 192

約数和(自身を含む): 2350373760

約数和(自身を除く): 1536881920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 361, 380, 448, 503, 532, 560, 608, 640, 665, 722, 760, 896, 1006, 1064, 1120, 1216, 1330, 1444, 1520, 1805, 2012, 2128, 2240, 2432, 2515, 2527, 2660, 2888, 3040, 3521, 3610, 4024, 4256, 4480, 5030, 5054, 5320, 5776, 6080, 7042, 7220, 8048, 8512, 9557, 10060, 10108, 10640, 11552, 12160, 12635, 14084, 14440, 16096, 17024, 17605, 19114, 20120, 20216, 21280, 23104, 25270, 28168, 28880, 32192, 35210, 38228, 40240, 40432, 42560, 46208, 47785, 50540, 56336, 57760, 64384, 66899, 70420, 76456, 80480, 80864, 85120, 95570, 101080, 112672, 115520, 133798, 140840, 152912, 160960, 161728, 181583, 191140, 202160, 225344, 231040, 267596, 281680, 305824, 321920, 323456, 334495, 363166, 382280, 404320, 450688, 535192, 563360, 611648, 668990, 726332, 764560, 808640, 907915, 1070384, 1126720, 1223296, 1271081, 1337980, 1452664, 1529120, 1617280, 1815830, 2140768, 2253440, 2542162, 2675960, 2905328, 3058240, 3631660, 4281536, 5084324, 5351920, 5810656, 6116480, 6355405, 7263320, 8563072, 10168648, 10703840, 11621312, 12710810, 14526640, 20337296, 21407680, 23242624, 25421620, 29053280, 40674592, 42815360, 50843240, 58106560, 81349184, 101686480, 116213120, 162698368, 203372960, 406745920, 813491840]

約数ペア:

[(1, 813491840), (2, 406745920), (4, 203372960), (5, 162698368), (7, 116213120), (8, 101686480), (10, 81349184), (14, 58106560), (16, 50843240), (19, 42815360), (20, 40674592), (28, 29053280), (32, 25421620), (35, 23242624), (38, 21407680), (40, 20337296), (56, 14526640), (64, 12710810), (70, 11621312), (76, 10703840), (80, 10168648), (95, 8563072), (112, 7263320), (128, 6355405), (133, 6116480), (140, 5810656), (152, 5351920), (160, 5084324), (190, 4281536), (224, 3631660), (266, 3058240), (280, 2905328), (304, 2675960), (320, 2542162), (361, 2253440), (380, 2140768), (448, 1815830), (503, 1617280), (532, 1529120), (560, 1452664), (608, 1337980), (640, 1271081), (665, 1223296), (722, 1126720), (760, 1070384), (896, 907915), (1006, 808640), (1064, 764560), (1120, 726332), (1216, 668990), (1330, 611648), (1444, 563360), (1520, 535192), (1805, 450688), (2012, 404320), (2128, 382280), (2240, 363166), (2432, 334495), (2515, 323456), (2527, 321920), (2660, 305824), (2888, 281680), (3040, 267596), (3521, 231040), (3610, 225344), (4024, 202160), (4256, 191140), (4480, 181583), (5030, 161728), (5054, 160960), (5320, 152912), (5776, 140840), (6080, 133798), (7042, 115520), (7220, 112672), (8048, 101080), (8512, 95570), (9557, 85120), (10060, 80864), (10108, 80480), (10640, 76456), (11552, 70420), (12160, 66899), (12635, 64384), (14084, 57760), (14440, 56336), (16096, 50540), (17024, 47785), (17605, 46208), (19114, 42560), (20120, 40432), (20216, 40240), (21280, 38228), (23104, 35210), (25270, 32192), (28168, 28880)]