51638526520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{383}}^1$

素因数の和:763

約数の個数: 256

約数和(自身を含む): 140673024000

約数和(自身を除く): 89034497480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 317, 343, 383, 392, 434, 490, 620, 634, 686, 766, 868, 980, 1085, 1240, 1268, 1372, 1519, 1532, 1585, 1715, 1736, 1915, 1960, 2170, 2219, 2536, 2681, 2744, 3038, 3064, 3170, 3430, 3830, 4340, 4438, 5362, 6076, 6340, 6860, 7595, 7660, 8680, 8876, 9827, 10633, 10724, 11095, 11873, 12152, 12680, 13405, 13720, 15190, 15320, 15533, 17752, 18767, 19654, 21266, 21448, 22190, 23746, 26810, 30380, 31066, 37534, 39308, 42532, 44380, 47492, 49135, 53165, 53620, 59365, 60760, 62132, 68789, 75068, 77665, 78616, 83111, 85064, 88760, 93835, 94984, 98270, 106330, 107240, 108731, 118730, 121411, 124264, 131369, 137578, 150136, 155330, 166222, 187670, 196540, 212660, 217462, 237460, 242822, 262738, 275156, 310660, 332444, 343945, 375340, 393080, 415555, 425320, 434924, 474920, 481523, 485644, 525476, 543655, 550312, 581777, 607055, 621320, 656845, 664888, 687890, 750680, 831110, 849877, 869848, 963046, 971288, 1050952, 1087310, 1163554, 1214110, 1313690, 1375780, 1662220, 1699754, 1926092, 2174620, 2327108, 2407615, 2428220, 2627380, 2751560, 2908885, 3324440, 3370661, 3399508, 3763741, 3852184, 4072439, 4249385, 4349240, 4654216, 4815230, 4856440, 5254760, 5817770, 5949139, 6741322, 6799016, 7527482, 8144878, 8498770, 9630460, 11635540, 11898278, 13482644, 15054964, 16289756, 16853305, 16997540, 18818705, 19260920, 20362195, 23271080, 23796556, 26346187, 26965288, 29745695, 30109928, 32579512, 33706610, 33995080, 37637410, 40724390, 41643973, 47593112, 52692374, 59491390, 67413220, 75274820, 81448780, 83287946, 105384748, 118982780, 131730935, 134826440, 150549640, 162897560, 166575892, 184423309, 208219865, 210769496, 237965560, 263461870, 333151784, 368846618, 416439730, 526923740, 737693236, 832879460, 922116545, 1053847480, 1290963163, 1475386472, 1665758920, 1844233090, 2581926326, 3688466180, 5163852652, 6454815815, 7376932360, 10327705304, 12909631630, 25819263260, 51638526520]

約数ペア:

[(1, 51638526520), (2, 25819263260), (4, 12909631630), (5, 10327705304), (7, 7376932360), (8, 6454815815), (10, 5163852652), (14, 3688466180), (20, 2581926326), (28, 1844233090), (31, 1665758920), (35, 1475386472), (40, 1290963163), (49, 1053847480), (56, 922116545), (62, 832879460), (70, 737693236), (98, 526923740), (124, 416439730), (140, 368846618), (155, 333151784), (196, 263461870), (217, 237965560), (245, 210769496), (248, 208219865), (280, 184423309), (310, 166575892), (317, 162897560), (343, 150549640), (383, 134826440), (392, 131730935), (434, 118982780), (490, 105384748), (620, 83287946), (634, 81448780), (686, 75274820), (766, 67413220), (868, 59491390), (980, 52692374), (1085, 47593112), (1240, 41643973), (1268, 40724390), (1372, 37637410), (1519, 33995080), (1532, 33706610), (1585, 32579512), (1715, 30109928), (1736, 29745695), (1915, 26965288), (1960, 26346187), (2170, 23796556), (2219, 23271080), (2536, 20362195), (2681, 19260920), (2744, 18818705), (3038, 16997540), (3064, 16853305), (3170, 16289756), (3430, 15054964), (3830, 13482644), (4340, 11898278), (4438, 11635540), (5362, 9630460), (6076, 8498770), (6340, 8144878), (6860, 7527482), (7595, 6799016), (7660, 6741322), (8680, 5949139), (8876, 5817770), (9827, 5254760), (10633, 4856440), (10724, 4815230), (11095, 4654216), (11873, 4349240), (12152, 4249385), (12680, 4072439), (13405, 3852184), (13720, 3763741), (15190, 3399508), (15320, 3370661), (15533, 3324440), (17752, 2908885), (18767, 2751560), (19654, 2627380), (21266, 2428220), (21448, 2407615), (22190, 2327108), (23746, 2174620), (26810, 1926092), (30380, 1699754), (31066, 1662220), (37534, 1375780), (39308, 1313690), (42532, 1214110), (44380, 1163554), (47492, 1087310), (49135, 1050952), (53165, 971288), (53620, 963046), (59365, 869848), (60760, 849877), (62132, 831110), (68789, 750680), (75068, 687890), (77665, 664888), (78616, 656845), (83111, 621320), (85064, 607055), (88760, 581777), (93835, 550312), (94984, 543655), (98270, 525476), (106330, 485644), (107240, 481523), (108731, 474920), (118730, 434924), (121411, 425320), (124264, 415555), (131369, 393080), (137578, 375340), (150136, 343945), (155330, 332444), (166222, 310660), (187670, 275156), (196540, 262738), (212660, 242822), (217462, 237460)]