820277760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 240

約数和(自身を含む): 2737253376

約数和(自身を除く): 1916975616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 127, 128, 145, 160, 174, 192, 232, 240, 254, 256, 290, 320, 348, 381, 384, 435, 464, 480, 508, 512, 580, 635, 640, 696, 762, 768, 841, 870, 928, 960, 1016, 1160, 1270, 1280, 1392, 1524, 1536, 1682, 1740, 1856, 1905, 1920, 2032, 2320, 2523, 2540, 2560, 2784, 3048, 3364, 3480, 3683, 3712, 3810, 3840, 4064, 4205, 4640, 5046, 5080, 5568, 6096, 6728, 6960, 7366, 7424, 7620, 7680, 8128, 8410, 9280, 10092, 10160, 11049, 11136, 12192, 12615, 13456, 13920, 14732, 14848, 15240, 16256, 16820, 18415, 18560, 20184, 20320, 22098, 22272, 24384, 25230, 26912, 27840, 29464, 30480, 32512, 33640, 36830, 37120, 40368, 40640, 44196, 44544, 48768, 50460, 53824, 55245, 55680, 58928, 60960, 65024, 67280, 73660, 74240, 80736, 81280, 88392, 97536, 100920, 106807, 107648, 110490, 111360, 117856, 121920, 134560, 147320, 161472, 162560, 176784, 195072, 201840, 213614, 215296, 220980, 222720, 235712, 243840, 269120, 294640, 320421, 322944, 325120, 353568, 403680, 427228, 430592, 441960, 471424, 487680, 534035, 538240, 589280, 640842, 645888, 707136, 807360, 854456, 883920, 942848, 975360, 1068070, 1076480, 1178560, 1281684, 1291776, 1414272, 1602105, 1614720, 1708912, 1767840, 1885696, 2136140, 2152960, 2357120, 2563368, 2828544, 3204210, 3229440, 3417824, 3535680, 4272280, 4714240, 5126736, 5657088, 6408420, 6458880, 6835648, 7071360, 8544560, 9428480, 10253472, 12816840, 13671296, 14142720, 17089120, 20506944, 25633680, 27342592, 28285440, 34178240, 41013888, 51267360, 54685184, 68356480, 82027776, 102534720, 136712960, 164055552, 205069440, 273425920, 410138880, 820277760]

約数ペア:

[(1, 820277760), (2, 410138880), (3, 273425920), (4, 205069440), (5, 164055552), (6, 136712960), (8, 102534720), (10, 82027776), (12, 68356480), (15, 54685184), (16, 51267360), (20, 41013888), (24, 34178240), (29, 28285440), (30, 27342592), (32, 25633680), (40, 20506944), (48, 17089120), (58, 14142720), (60, 13671296), (64, 12816840), (80, 10253472), (87, 9428480), (96, 8544560), (116, 7071360), (120, 6835648), (127, 6458880), (128, 6408420), (145, 5657088), (160, 5126736), (174, 4714240), (192, 4272280), (232, 3535680), (240, 3417824), (254, 3229440), (256, 3204210), (290, 2828544), (320, 2563368), (348, 2357120), (381, 2152960), (384, 2136140), (435, 1885696), (464, 1767840), (480, 1708912), (508, 1614720), (512, 1602105), (580, 1414272), (635, 1291776), (640, 1281684), (696, 1178560), (762, 1076480), (768, 1068070), (841, 975360), (870, 942848), (928, 883920), (960, 854456), (1016, 807360), (1160, 707136), (1270, 645888), (1280, 640842), (1392, 589280), (1524, 538240), (1536, 534035), (1682, 487680), (1740, 471424), (1856, 441960), (1905, 430592), (1920, 427228), (2032, 403680), (2320, 353568), (2523, 325120), (2540, 322944), (2560, 320421), (2784, 294640), (3048, 269120), (3364, 243840), (3480, 235712), (3683, 222720), (3712, 220980), (3810, 215296), (3840, 213614), (4064, 201840), (4205, 195072), (4640, 176784), (5046, 162560), (5080, 161472), (5568, 147320), (6096, 134560), (6728, 121920), (6960, 117856), (7366, 111360), (7424, 110490), (7620, 107648), (7680, 106807), (8128, 100920), (8410, 97536), (9280, 88392), (10092, 81280), (10160, 80736), (11049, 74240), (11136, 73660), (12192, 67280), (12615, 65024), (13456, 60960), (13920, 58928), (14732, 55680), (14848, 55245), (15240, 53824), (16256, 50460), (16820, 48768), (18415, 44544), (18560, 44196), (20184, 40640), (20320, 40368), (22098, 37120), (22272, 36830), (24384, 33640), (25230, 32512), (26912, 30480), (27840, 29464)]