256844076800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{1543}}^1$

素因数の和:2439

約数の個数: 216

約数和(自身を含む): 657444587520

約数和(自身を除く): 400600510720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 839, 992, 1240, 1280, 1543, 1550, 1600, 1678, 1984, 2480, 3086, 3100, 3200, 3356, 3968, 4195, 4960, 6172, 6200, 6400, 6712, 7715, 7936, 8390, 9920, 12344, 12400, 13424, 15430, 16780, 19840, 20975, 24688, 24800, 26009, 26848, 30860, 33560, 38575, 39680, 41950, 47833, 49376, 49600, 52018, 53696, 61720, 67120, 77150, 83900, 95666, 98752, 99200, 104036, 107392, 123440, 130045, 134240, 154300, 167800, 191332, 197504, 198400, 208072, 214784, 239165, 246880, 260090, 268480, 308600, 335600, 382664, 395008, 416144, 478330, 493760, 520180, 536960, 617200, 650225, 671200, 765328, 832288, 956660, 987520, 1040360, 1073920, 1195825, 1234400, 1294577, 1300450, 1342400, 1530656, 1664576, 1913320, 1975040, 2080720, 2391650, 2468800, 2589154, 2600900, 2684800, 3061312, 3329152, 3826640, 4161440, 4783300, 4937600, 5178308, 5201800, 5369600, 6122624, 6472885, 6658304, 7653280, 8322880, 9566600, 9875200, 10356616, 10403600, 12245248, 12945770, 15306560, 16645760, 19133200, 20713232, 20807200, 25891540, 30613120, 32364425, 33291520, 38266400, 40131887, 41426464, 41614400, 51783080, 61226240, 64728850, 76532800, 80263774, 82852928, 83228800, 103566160, 129457700, 153065600, 160527548, 165705856, 166457600, 200659435, 207132320, 258915400, 306131200, 321055096, 331411712, 401318870, 414264640, 517830800, 642110192, 802637740, 828529280, 1003297175, 1035661600, 1284220384, 1605275480, 1657058560, 2006594350, 2071323200, 2568440768, 3210550960, 4013188700, 4142646400, 5136881536, 6421101920, 8026377400, 8285292800, 10273763072, 12842203840, 16052754800, 25684407680, 32105509600, 51368815360, 64211019200, 128422038400, 256844076800]

約数ペア:

[(1, 256844076800), (2, 128422038400), (4, 64211019200), (5, 51368815360), (8, 32105509600), (10, 25684407680), (16, 16052754800), (20, 12842203840), (25, 10273763072), (31, 8285292800), (32, 8026377400), (40, 6421101920), (50, 5136881536), (62, 4142646400), (64, 4013188700), (80, 3210550960), (100, 2568440768), (124, 2071323200), (128, 2006594350), (155, 1657058560), (160, 1605275480), (200, 1284220384), (248, 1035661600), (256, 1003297175), (310, 828529280), (320, 802637740), (400, 642110192), (496, 517830800), (620, 414264640), (640, 401318870), (775, 331411712), (800, 321055096), (839, 306131200), (992, 258915400), (1240, 207132320), (1280, 200659435), (1543, 166457600), (1550, 165705856), (1600, 160527548), (1678, 153065600), (1984, 129457700), (2480, 103566160), (3086, 83228800), (3100, 82852928), (3200, 80263774), (3356, 76532800), (3968, 64728850), (4195, 61226240), (4960, 51783080), (6172, 41614400), (6200, 41426464), (6400, 40131887), (6712, 38266400), (7715, 33291520), (7936, 32364425), (8390, 30613120), (9920, 25891540), (12344, 20807200), (12400, 20713232), (13424, 19133200), (15430, 16645760), (16780, 15306560), (19840, 12945770), (20975, 12245248), (24688, 10403600), (24800, 10356616), (26009, 9875200), (26848, 9566600), (30860, 8322880), (33560, 7653280), (38575, 6658304), (39680, 6472885), (41950, 6122624), (47833, 5369600), (49376, 5201800), (49600, 5178308), (52018, 4937600), (53696, 4783300), (61720, 4161440), (67120, 3826640), (77150, 3329152), (83900, 3061312), (95666, 2684800), (98752, 2600900), (99200, 2589154), (104036, 2468800), (107392, 2391650), (123440, 2080720), (130045, 1975040), (134240, 1913320), (154300, 1664576), (167800, 1530656), (191332, 1342400), (197504, 1300450), (198400, 1294577), (208072, 1234400), (214784, 1195825), (239165, 1073920), (246880, 1040360), (260090, 987520), (268480, 956660), (308600, 832288), (335600, 765328), (382664, 671200), (395008, 650225), (416144, 617200), (478330, 536960), (493760, 520180)]