51318240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 192

約数和(自身を含む): 180714240

約数和(自身を除く): 129396000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 96, 102, 114, 120, 136, 152, 160, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 331, 340, 380, 408, 456, 480, 510, 544, 570, 608, 646, 662, 680, 760, 816, 912, 969, 993, 1020, 1140, 1292, 1324, 1360, 1520, 1615, 1632, 1655, 1824, 1938, 1986, 2040, 2280, 2584, 2648, 2720, 3040, 3230, 3310, 3876, 3972, 4080, 4560, 4845, 4965, 5168, 5296, 5627, 6289, 6460, 6620, 7752, 7944, 8160, 9120, 9690, 9930, 10336, 10592, 11254, 12578, 12920, 13240, 15504, 15888, 16881, 18867, 19380, 19860, 22508, 25156, 25840, 26480, 28135, 31008, 31445, 31776, 33762, 37734, 38760, 39720, 45016, 50312, 51680, 52960, 56270, 62890, 67524, 75468, 77520, 79440, 84405, 90032, 94335, 100624, 106913, 112540, 125780, 135048, 150936, 155040, 158880, 168810, 180064, 188670, 201248, 213826, 225080, 251560, 270096, 301872, 320739, 337620, 377340, 427652, 450160, 503120, 534565, 540192, 603744, 641478, 675240, 754680, 855304, 900320, 1006240, 1069130, 1282956, 1350480, 1509360, 1603695, 1710608, 2138260, 2565912, 2700960, 3018720, 3207390, 3421216, 4276520, 5131824, 6414780, 8553040, 10263648, 12829560, 17106080, 25659120, 51318240]

約数ペア:

[(1, 51318240), (2, 25659120), (3, 17106080), (4, 12829560), (5, 10263648), (6, 8553040), (8, 6414780), (10, 5131824), (12, 4276520), (15, 3421216), (16, 3207390), (17, 3018720), (19, 2700960), (20, 2565912), (24, 2138260), (30, 1710608), (32, 1603695), (34, 1509360), (38, 1350480), (40, 1282956), (48, 1069130), (51, 1006240), (57, 900320), (60, 855304), (68, 754680), (76, 675240), (80, 641478), (85, 603744), (95, 540192), (96, 534565), (102, 503120), (114, 450160), (120, 427652), (136, 377340), (152, 337620), (160, 320739), (170, 301872), (190, 270096), (204, 251560), (228, 225080), (240, 213826), (255, 201248), (272, 188670), (285, 180064), (304, 168810), (323, 158880), (331, 155040), (340, 150936), (380, 135048), (408, 125780), (456, 112540), (480, 106913), (510, 100624), (544, 94335), (570, 90032), (608, 84405), (646, 79440), (662, 77520), (680, 75468), (760, 67524), (816, 62890), (912, 56270), (969, 52960), (993, 51680), (1020, 50312), (1140, 45016), (1292, 39720), (1324, 38760), (1360, 37734), (1520, 33762), (1615, 31776), (1632, 31445), (1655, 31008), (1824, 28135), (1938, 26480), (1986, 25840), (2040, 25156), (2280, 22508), (2584, 19860), (2648, 19380), (2720, 18867), (3040, 16881), (3230, 15888), (3310, 15504), (3876, 13240), (3972, 12920), (4080, 12578), (4560, 11254), (4845, 10592), (4965, 10336), (5168, 9930), (5296, 9690), (5627, 9120), (6289, 8160), (6460, 7944), (6620, 7752)]