208996960640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{15289}}^1$

素因数の和:15405

約数の個数: 256

約数和(自身を含む): 565940390400

約数和(自身を除く): 356943429760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 53, 62, 64, 65, 80, 104, 106, 124, 128, 130, 155, 160, 208, 212, 248, 260, 265, 310, 320, 403, 416, 424, 496, 520, 530, 620, 640, 689, 806, 832, 848, 992, 1040, 1060, 1240, 1378, 1612, 1643, 1664, 1696, 1984, 2015, 2080, 2120, 2480, 2756, 3224, 3286, 3392, 3445, 3968, 4030, 4160, 4240, 4960, 5512, 6448, 6572, 6784, 6890, 8060, 8215, 8320, 8480, 9920, 11024, 12896, 13144, 13780, 15289, 16120, 16430, 16960, 19840, 21359, 22048, 25792, 26288, 27560, 30578, 32240, 32860, 33920, 42718, 44096, 51584, 52576, 55120, 61156, 64480, 65720, 76445, 85436, 88192, 105152, 106795, 110240, 122312, 128960, 131440, 152890, 170872, 198757, 210304, 213590, 220480, 244624, 257920, 262880, 305780, 341744, 397514, 427180, 440960, 473959, 489248, 525760, 611560, 683488, 795028, 810317, 854360, 947918, 978496, 993785, 1051520, 1223120, 1366976, 1590056, 1620634, 1708720, 1895836, 1956992, 1987570, 2369795, 2446240, 2733952, 3180112, 3241268, 3417440, 3791672, 3975140, 4051585, 4739590, 4892480, 6161467, 6360224, 6482536, 6834880, 7583344, 7950280, 8103170, 9479180, 9784960, 10534121, 12322934, 12720448, 12965072, 13669760, 15166688, 15900560, 16206340, 18958360, 21068242, 24645868, 25119827, 25440896, 25930144, 30333376, 30807335, 31801120, 32412680, 37916720, 42136484, 49291736, 50239654, 51860288, 52670605, 60666752, 61614670, 63602240, 64825360, 75833440, 84272968, 98583472, 100479308, 103720576, 105341210, 123229340, 125599135, 127204480, 129650720, 151666880, 168545936, 197166944, 200958616, 210682420, 246458680, 251198270, 259301440, 303333760, 326557751, 337091872, 394333888, 401917232, 421364840, 492917360, 502396540, 518602880, 653115502, 674183744, 788667776, 803834464, 842729680, 985834720, 1004793080, 1306231004, 1348367488, 1607668928, 1632788755, 1685459360, 1971669440, 2009586160, 2612462008, 3215337856, 3265577510, 3370918720, 3943338880, 4019172320, 5224924016, 6531155020, 6741837440, 8038344640, 10449848032, 13062310040, 16076689280, 20899696064, 26124620080, 41799392128, 52249240160, 104498480320, 208996960640]

約数ペア:

[(1, 208996960640), (2, 104498480320), (4, 52249240160), (5, 41799392128), (8, 26124620080), (10, 20899696064), (13, 16076689280), (16, 13062310040), (20, 10449848032), (26, 8038344640), (31, 6741837440), (32, 6531155020), (40, 5224924016), (52, 4019172320), (53, 3943338880), (62, 3370918720), (64, 3265577510), (65, 3215337856), (80, 2612462008), (104, 2009586160), (106, 1971669440), (124, 1685459360), (128, 1632788755), (130, 1607668928), (155, 1348367488), (160, 1306231004), (208, 1004793080), (212, 985834720), (248, 842729680), (260, 803834464), (265, 788667776), (310, 674183744), (320, 653115502), (403, 518602880), (416, 502396540), (424, 492917360), (496, 421364840), (520, 401917232), (530, 394333888), (620, 337091872), (640, 326557751), (689, 303333760), (806, 259301440), (832, 251198270), (848, 246458680), (992, 210682420), (1040, 200958616), (1060, 197166944), (1240, 168545936), (1378, 151666880), (1612, 129650720), (1643, 127204480), (1664, 125599135), (1696, 123229340), (1984, 105341210), (2015, 103720576), (2080, 100479308), (2120, 98583472), (2480, 84272968), (2756, 75833440), (3224, 64825360), (3286, 63602240), (3392, 61614670), (3445, 60666752), (3968, 52670605), (4030, 51860288), (4160, 50239654), (4240, 49291736), (4960, 42136484), (5512, 37916720), (6448, 32412680), (6572, 31801120), (6784, 30807335), (6890, 30333376), (8060, 25930144), (8215, 25440896), (8320, 25119827), (8480, 24645868), (9920, 21068242), (11024, 18958360), (12896, 16206340), (13144, 15900560), (13780, 15166688), (15289, 13669760), (16120, 12965072), (16430, 12720448), (16960, 12322934), (19840, 10534121), (21359, 9784960), (22048, 9479180), (25792, 8103170), (26288, 7950280), (27560, 7583344), (30578, 6834880), (32240, 6482536), (32860, 6360224), (33920, 6161467), (42718, 4892480), (44096, 4739590), (51584, 4051585), (52576, 3975140), (55120, 3791672), (61156, 3417440), (64480, 3241268), (65720, 3180112), (76445, 2733952), (85436, 2446240), (88192, 2369795), (105152, 1987570), (106795, 1956992), (110240, 1895836), (122312, 1708720), (128960, 1620634), (131440, 1590056), (152890, 1366976), (170872, 1223120), (198757, 1051520), (210304, 993785), (213590, 978496), (220480, 947918), (244624, 854360), (257920, 810317), (262880, 795028), (305780, 683488), (341744, 611560), (397514, 525760), (427180, 489248), (440960, 473959)]