20796487600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4909}}^1$

素因数の和:5040

約数の個数: 240

約数和(自身を含む): 61151889600

約数和(自身を除く): 40355402000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 89, 100, 112, 119, 136, 140, 170, 175, 178, 200, 238, 272, 280, 340, 350, 356, 400, 425, 445, 476, 560, 595, 623, 680, 700, 712, 850, 890, 952, 1190, 1246, 1360, 1400, 1424, 1513, 1700, 1780, 1904, 2225, 2380, 2492, 2800, 2975, 3026, 3115, 3400, 3560, 4450, 4760, 4909, 4984, 5950, 6052, 6230, 6800, 7120, 7565, 8900, 9520, 9818, 9968, 10591, 11900, 12104, 12460, 15130, 15575, 17800, 19636, 21182, 23800, 24208, 24545, 24920, 30260, 31150, 34363, 35600, 37825, 39272, 42364, 47600, 49090, 49840, 52955, 60520, 62300, 68726, 75650, 78544, 83453, 84728, 98180, 105910, 121040, 122725, 124600, 137452, 151300, 166906, 169456, 171815, 196360, 211820, 245450, 249200, 264775, 274904, 302600, 333812, 343630, 392720, 417265, 423640, 436901, 490900, 529550, 549808, 584171, 605200, 667624, 687260, 834530, 847280, 859075, 873802, 981800, 1059100, 1168342, 1335248, 1374520, 1669060, 1718150, 1747604, 1963600, 2086325, 2118200, 2184505, 2336684, 2749040, 2920855, 3058307, 3338120, 3436300, 3495208, 4172650, 4236400, 4369010, 4673368, 5841710, 6116614, 6676240, 6872600, 6990416, 7427317, 8345300, 8738020, 9346736, 10922525, 11683420, 12233228, 13745200, 14604275, 14854634, 15291535, 16690600, 17476040, 21845050, 23366840, 24466456, 29208550, 29709268, 30583070, 33381200, 34952080, 37136585, 43690100, 46733680, 48932912, 51991219, 58417100, 59418536, 61166140, 74273170, 76457675, 87380200, 103982438, 116834200, 118837072, 122332280, 148546340, 152915350, 174760400, 185682925, 207964876, 233668400, 244664560, 259956095, 297092680, 305830700, 371365850, 415929752, 519912190, 594185360, 611661400, 742731700, 831859504, 1039824380, 1223322800, 1299780475, 1485463400, 2079648760, 2599560950, 2970926800, 4159297520, 5199121900, 10398243800, 20796487600]

約数ペア:

[(1, 20796487600), (2, 10398243800), (4, 5199121900), (5, 4159297520), (7, 2970926800), (8, 2599560950), (10, 2079648760), (14, 1485463400), (16, 1299780475), (17, 1223322800), (20, 1039824380), (25, 831859504), (28, 742731700), (34, 611661400), (35, 594185360), (40, 519912190), (50, 415929752), (56, 371365850), (68, 305830700), (70, 297092680), (80, 259956095), (85, 244664560), (89, 233668400), (100, 207964876), (112, 185682925), (119, 174760400), (136, 152915350), (140, 148546340), (170, 122332280), (175, 118837072), (178, 116834200), (200, 103982438), (238, 87380200), (272, 76457675), (280, 74273170), (340, 61166140), (350, 59418536), (356, 58417100), (400, 51991219), (425, 48932912), (445, 46733680), (476, 43690100), (560, 37136585), (595, 34952080), (623, 33381200), (680, 30583070), (700, 29709268), (712, 29208550), (850, 24466456), (890, 23366840), (952, 21845050), (1190, 17476040), (1246, 16690600), (1360, 15291535), (1400, 14854634), (1424, 14604275), (1513, 13745200), (1700, 12233228), (1780, 11683420), (1904, 10922525), (2225, 9346736), (2380, 8738020), (2492, 8345300), (2800, 7427317), (2975, 6990416), (3026, 6872600), (3115, 6676240), (3400, 6116614), (3560, 5841710), (4450, 4673368), (4760, 4369010), (4909, 4236400), (4984, 4172650), (5950, 3495208), (6052, 3436300), (6230, 3338120), (6800, 3058307), (7120, 2920855), (7565, 2749040), (8900, 2336684), (9520, 2184505), (9818, 2118200), (9968, 2086325), (10591, 1963600), (11900, 1747604), (12104, 1718150), (12460, 1669060), (15130, 1374520), (15575, 1335248), (17800, 1168342), (19636, 1059100), (21182, 981800), (23800, 873802), (24208, 859075), (24545, 847280), (24920, 834530), (30260, 687260), (31150, 667624), (34363, 605200), (35600, 584171), (37825, 549808), (39272, 529550), (42364, 490900), (47600, 436901), (49090, 423640), (49840, 417265), (52955, 392720), (60520, 343630), (62300, 333812), (68726, 302600), (75650, 274904), (78544, 264775), (83453, 249200), (84728, 245450), (98180, 211820), (105910, 196360), (121040, 171815), (122725, 169456), (124600, 166906), (137452, 151300)]