208770240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 224

約数和(自身を含む): 774825984

約数和(自身を除く): 566055744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 329, 336, 376, 420, 448, 470, 480, 560, 564, 658, 661, 672, 705, 752, 840, 940, 960, 987, 1120, 1128, 1316, 1322, 1344, 1410, 1504, 1645, 1680, 1880, 1974, 1983, 2240, 2256, 2632, 2644, 2820, 3008, 3290, 3305, 3360, 3760, 3948, 3966, 4512, 4627, 4935, 5264, 5288, 5640, 6580, 6610, 6720, 7520, 7896, 7932, 9024, 9254, 9870, 9915, 10528, 10576, 11280, 13160, 13220, 13881, 15040, 15792, 15864, 18508, 19740, 19830, 21056, 21152, 22560, 23135, 26320, 26440, 27762, 31067, 31584, 31728, 37016, 39480, 39660, 42304, 45120, 46270, 52640, 52880, 55524, 62134, 63168, 63456, 69405, 74032, 78960, 79320, 92540, 93201, 105280, 105760, 111048, 124268, 126912, 138810, 148064, 155335, 157920, 158640, 185080, 186402, 211520, 217469, 222096, 248536, 277620, 296128, 310670, 315840, 317280, 370160, 372804, 434938, 444192, 466005, 497072, 555240, 621340, 634560, 652407, 740320, 745608, 869876, 888384, 932010, 994144, 1087345, 1110480, 1242680, 1304814, 1480640, 1491216, 1739752, 1864020, 1988288, 2174690, 2220960, 2485360, 2609628, 2982432, 3262035, 3479504, 3728040, 4349380, 4441920, 4970720, 5219256, 5964864, 6524070, 6959008, 7456080, 8698760, 9941440, 10438512, 13048140, 13918016, 14912160, 17397520, 20877024, 26096280, 29824320, 34795040, 41754048, 52192560, 69590080, 104385120, 208770240]

約数ペア:

[(1, 208770240), (2, 104385120), (3, 69590080), (4, 52192560), (5, 41754048), (6, 34795040), (7, 29824320), (8, 26096280), (10, 20877024), (12, 17397520), (14, 14912160), (15, 13918016), (16, 13048140), (20, 10438512), (21, 9941440), (24, 8698760), (28, 7456080), (30, 6959008), (32, 6524070), (35, 5964864), (40, 5219256), (42, 4970720), (47, 4441920), (48, 4349380), (56, 3728040), (60, 3479504), (64, 3262035), (70, 2982432), (80, 2609628), (84, 2485360), (94, 2220960), (96, 2174690), (105, 1988288), (112, 1864020), (120, 1739752), (140, 1491216), (141, 1480640), (160, 1304814), (168, 1242680), (188, 1110480), (192, 1087345), (210, 994144), (224, 932010), (235, 888384), (240, 869876), (280, 745608), (282, 740320), (320, 652407), (329, 634560), (336, 621340), (376, 555240), (420, 497072), (448, 466005), (470, 444192), (480, 434938), (560, 372804), (564, 370160), (658, 317280), (661, 315840), (672, 310670), (705, 296128), (752, 277620), (840, 248536), (940, 222096), (960, 217469), (987, 211520), (1120, 186402), (1128, 185080), (1316, 158640), (1322, 157920), (1344, 155335), (1410, 148064), (1504, 138810), (1645, 126912), (1680, 124268), (1880, 111048), (1974, 105760), (1983, 105280), (2240, 93201), (2256, 92540), (2632, 79320), (2644, 78960), (2820, 74032), (3008, 69405), (3290, 63456), (3305, 63168), (3360, 62134), (3760, 55524), (3948, 52880), (3966, 52640), (4512, 46270), (4627, 45120), (4935, 42304), (5264, 39660), (5288, 39480), (5640, 37016), (6580, 31728), (6610, 31584), (6720, 31067), (7520, 27762), (7896, 26440), (7932, 26320), (9024, 23135), (9254, 22560), (9870, 21152), (9915, 21056), (10528, 19830), (10576, 19740), (11280, 18508), (13160, 15864), (13220, 15792), (13881, 15040)]