20678322720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{5387}}^1$

素因数の和:6143

約数の個数: 192

約数和(自身を含む): 71169186816

約数和(自身を除く): 50490864096

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, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 727, 880, 1056, 1320, 1454, 1760, 2181, 2640, 2908, 3635, 4362, 5280, 5387, 5816, 7270, 7997, 8724, 10774, 10905, 11632, 14540, 15994, 16161, 17448, 21548, 21810, 23264, 23991, 26935, 29080, 31988, 32322, 34896, 39985, 43096, 43620, 47982, 53870, 58160, 59257, 63976, 64644, 69792, 79970, 80805, 86192, 87240, 95964, 107740, 116320, 118514, 119955, 127952, 129288, 159940, 161610, 172384, 174480, 177771, 191928, 215480, 237028, 239910, 255904, 258576, 296285, 319880, 323220, 348960, 355542, 383856, 430960, 474056, 479820, 517152, 592570, 639760, 646440, 711084, 767712, 861920, 888855, 948112, 959640, 1185140, 1279520, 1292880, 1422168, 1777710, 1896224, 1919280, 2370280, 2585760, 2844336, 3555420, 3838560, 3916349, 4740560, 5688672, 7110840, 7832698, 9481120, 11749047, 14221680, 15665396, 19581745, 23498094, 28443360, 31330792, 39163490, 43079839, 46996188, 58745235, 62661584, 78326980, 86159678, 93992376, 117490470, 125323168, 129239517, 156653960, 172319356, 187984752, 215399195, 234980940, 258479034, 313307920, 344638712, 375969504, 430798390, 469961880, 516958068, 626615840, 646197585, 689277424, 861596780, 939923760, 1033916136, 1292395170, 1378554848, 1723193560, 1879847520, 2067832272, 2584790340, 3446387120, 4135664544, 5169580680, 6892774240, 10339161360, 20678322720]

約数ペア:

[(1, 20678322720), (2, 10339161360), (3, 6892774240), (4, 5169580680), (5, 4135664544), (6, 3446387120), (8, 2584790340), (10, 2067832272), (11, 1879847520), (12, 1723193560), (15, 1378554848), (16, 1292395170), (20, 1033916136), (22, 939923760), (24, 861596780), (30, 689277424), (32, 646197585), (33, 626615840), (40, 516958068), (44, 469961880), (48, 430798390), (55, 375969504), (60, 344638712), (66, 313307920), (80, 258479034), (88, 234980940), (96, 215399195), (110, 187984752), (120, 172319356), (132, 156653960), (160, 129239517), (165, 125323168), (176, 117490470), (220, 93992376), (240, 86159678), (264, 78326980), (330, 62661584), (352, 58745235), (440, 46996188), (480, 43079839), (528, 39163490), (660, 31330792), (727, 28443360), (880, 23498094), (1056, 19581745), (1320, 15665396), (1454, 14221680), (1760, 11749047), (2181, 9481120), (2640, 7832698), (2908, 7110840), (3635, 5688672), (4362, 4740560), (5280, 3916349), (5387, 3838560), (5816, 3555420), (7270, 2844336), (7997, 2585760), (8724, 2370280), (10774, 1919280), (10905, 1896224), (11632, 1777710), (14540, 1422168), (15994, 1292880), (16161, 1279520), (17448, 1185140), (21548, 959640), (21810, 948112), (23264, 888855), (23991, 861920), (26935, 767712), (29080, 711084), (31988, 646440), (32322, 639760), (34896, 592570), (39985, 517152), (43096, 479820), (43620, 474056), (47982, 430960), (53870, 383856), (58160, 355542), (59257, 348960), (63976, 323220), (64644, 319880), (69792, 296285), (79970, 258576), (80805, 255904), (86192, 239910), (87240, 237028), (95964, 215480), (107740, 191928), (116320, 177771), (118514, 174480), (119955, 172384), (127952, 161610), (129288, 159940)]