21534838560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{515681}}^1$

素因数の和:515731

約数の個数: 144

約数和(自身を含む): 76021840440

約数和(自身を除く): 54487001880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 5220, 6960, 8352, 10440, 13920, 20880, 41760, 515681, 1031362, 1547043, 2062724, 2578405, 3094086, 4125448, 4641129, 5156810, 6188172, 7735215, 8250896, 9282258, 10313620, 12376344, 14954749, 15470430, 16501792, 18564516, 20627240, 23205645, 24752688, 29909498, 30940860, 37129032, 41254480, 44864247, 46411290, 49505376, 59818996, 61881720, 74258064, 74773745, 82508960, 89728494, 92822580, 119637992, 123763440, 134592741, 148516128, 149547490, 179456988, 185645160, 224321235, 239275984, 247526880, 269185482, 299094980, 358913976, 371290320, 448642470, 478551968, 538370964, 598189960, 672963705, 717827952, 742580640, 897284940, 1076741928, 1196379920, 1345927410, 1435655904, 1794569880, 2153483856, 2392759840, 2691854820, 3589139760, 4306967712, 5383709640, 7178279520, 10767419280, 21534838560]

約数ペア:

[(1, 21534838560), (2, 10767419280), (3, 7178279520), (4, 5383709640), (5, 4306967712), (6, 3589139760), (8, 2691854820), (9, 2392759840), (10, 2153483856), (12, 1794569880), (15, 1435655904), (16, 1345927410), (18, 1196379920), (20, 1076741928), (24, 897284940), (29, 742580640), (30, 717827952), (32, 672963705), (36, 598189960), (40, 538370964), (45, 478551968), (48, 448642470), (58, 371290320), (60, 358913976), (72, 299094980), (80, 269185482), (87, 247526880), (90, 239275984), (96, 224321235), (116, 185645160), (120, 179456988), (144, 149547490), (145, 148516128), (160, 134592741), (174, 123763440), (180, 119637992), (232, 92822580), (240, 89728494), (261, 82508960), (288, 74773745), (290, 74258064), (348, 61881720), (360, 59818996), (435, 49505376), (464, 46411290), (480, 44864247), (522, 41254480), (580, 37129032), (696, 30940860), (720, 29909498), (870, 24752688), (928, 23205645), (1044, 20627240), (1160, 18564516), (1305, 16501792), (1392, 15470430), (1440, 14954749), (1740, 12376344), (2088, 10313620), (2320, 9282258), (2610, 8250896), (2784, 7735215), (3480, 6188172), (4176, 5156810), (4640, 4641129), (5220, 4125448), (6960, 3094086), (8352, 2578405), (10440, 2062724), (13920, 1547043), (20880, 1031362), (41760, 515681)]