256003680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 863835840

約数和(自身を除く): 607832160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 137, 160, 170, 204, 229, 240, 255, 272, 274, 340, 408, 411, 458, 480, 510, 544, 548, 680, 685, 687, 816, 822, 916, 1020, 1096, 1145, 1360, 1370, 1374, 1632, 1644, 1832, 2040, 2055, 2192, 2290, 2329, 2720, 2740, 2748, 3288, 3435, 3664, 3893, 4080, 4110, 4384, 4580, 4658, 5480, 5496, 6576, 6870, 6987, 7328, 7786, 8160, 8220, 9160, 9316, 10960, 10992, 11645, 11679, 13152, 13740, 13974, 15572, 16440, 18320, 18632, 19465, 21920, 21984, 23290, 23358, 27480, 27948, 31144, 31373, 32880, 34935, 36640, 37264, 38930, 46580, 46716, 54960, 55896, 58395, 62288, 62746, 65760, 69870, 74528, 77860, 93160, 93432, 94119, 109920, 111792, 116790, 124576, 125492, 139740, 155720, 156865, 186320, 186864, 188238, 223584, 233580, 250984, 279480, 311440, 313730, 372640, 373728, 376476, 467160, 470595, 501968, 533341, 558960, 622880, 627460, 752952, 934320, 941190, 1003936, 1066682, 1117920, 1254920, 1505904, 1600023, 1868640, 1882380, 2133364, 2509840, 2666705, 3011808, 3200046, 3764760, 4266728, 5019680, 5333410, 6400092, 7529520, 8000115, 8533456, 10666820, 12800184, 15059040, 16000230, 17066912, 21333640, 25600368, 32000460, 42667280, 51200736, 64000920, 85334560, 128001840, 256003680]

約数ペア:

[(1, 256003680), (2, 128001840), (3, 85334560), (4, 64000920), (5, 51200736), (6, 42667280), (8, 32000460), (10, 25600368), (12, 21333640), (15, 17066912), (16, 16000230), (17, 15059040), (20, 12800184), (24, 10666820), (30, 8533456), (32, 8000115), (34, 7529520), (40, 6400092), (48, 5333410), (51, 5019680), (60, 4266728), (68, 3764760), (80, 3200046), (85, 3011808), (96, 2666705), (102, 2509840), (120, 2133364), (136, 1882380), (137, 1868640), (160, 1600023), (170, 1505904), (204, 1254920), (229, 1117920), (240, 1066682), (255, 1003936), (272, 941190), (274, 934320), (340, 752952), (408, 627460), (411, 622880), (458, 558960), (480, 533341), (510, 501968), (544, 470595), (548, 467160), (680, 376476), (685, 373728), (687, 372640), (816, 313730), (822, 311440), (916, 279480), (1020, 250984), (1096, 233580), (1145, 223584), (1360, 188238), (1370, 186864), (1374, 186320), (1632, 156865), (1644, 155720), (1832, 139740), (2040, 125492), (2055, 124576), (2192, 116790), (2290, 111792), (2329, 109920), (2720, 94119), (2740, 93432), (2748, 93160), (3288, 77860), (3435, 74528), (3664, 69870), (3893, 65760), (4080, 62746), (4110, 62288), (4384, 58395), (4580, 55896), (4658, 54960), (5480, 46716), (5496, 46580), (6576, 38930), (6870, 37264), (6987, 36640), (7328, 34935), (7786, 32880), (8160, 31373), (8220, 31144), (9160, 27948), (9316, 27480), (10960, 23358), (10992, 23290), (11645, 21984), (11679, 21920), (13152, 19465), (13740, 18632), (13974, 18320), (15572, 16440)]