20640871680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37589}}^1$

素因数の和:37637

約数の個数: 288

約数和(自身を含む): 77448631680

約数和(自身を除く): 56807760000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 128, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 256, 260, 264, 286, 312, 320, 330, 352, 384, 390, 416, 429, 440, 480, 520, 528, 572, 624, 640, 660, 704, 715, 768, 780, 832, 858, 880, 960, 1040, 1056, 1144, 1248, 1280, 1320, 1408, 1430, 1560, 1664, 1716, 1760, 1920, 2080, 2112, 2145, 2288, 2496, 2640, 2816, 2860, 3120, 3328, 3432, 3520, 3840, 4160, 4224, 4290, 4576, 4992, 5280, 5720, 6240, 6864, 7040, 8320, 8448, 8580, 9152, 9984, 10560, 11440, 12480, 13728, 14080, 16640, 17160, 18304, 21120, 22880, 24960, 27456, 34320, 36608, 37589, 42240, 45760, 49920, 54912, 68640, 75178, 91520, 109824, 112767, 137280, 150356, 183040, 187945, 225534, 274560, 300712, 375890, 413479, 451068, 488657, 549120, 563835, 601424, 751780, 826958, 902136, 977314, 1127670, 1202848, 1240437, 1465971, 1503560, 1653916, 1804272, 1954628, 2067395, 2255340, 2405696, 2443285, 2480874, 2931942, 3007120, 3307832, 3608544, 3909256, 4134790, 4510680, 4811392, 4886570, 4961748, 5375227, 5863884, 6014240, 6202185, 6615664, 7217088, 7329855, 7818512, 8269580, 9021360, 9622784, 9773140, 9923496, 10750454, 11727768, 12028480, 12404370, 13231328, 14434176, 14659710, 15637024, 16125681, 16539160, 18042720, 19546280, 19846992, 21500908, 23455536, 24056960, 24808740, 26462656, 26876135, 28868352, 29319420, 31274048, 32251362, 33078320, 36085440, 39092560, 39693984, 43001816, 46911072, 48113920, 49617480, 52925312, 53752270, 58638840, 62548096, 64502724, 66156640, 72170880, 78185120, 79387968, 80628405, 86003632, 93822144, 99234960, 105850624, 107504540, 117277680, 125096192, 129005448, 132313280, 144341760, 156370240, 158775936, 161256810, 172007264, 187644288, 198469920, 215009080, 234555360, 258010896, 264626560, 312740480, 317551872, 322513620, 344014528, 375288576, 396939840, 430018160, 469110720, 516021792, 529253120, 625480960, 645027240, 688029056, 793879680, 860036320, 938221440, 1032043584, 1290054480, 1376058112, 1587759360, 1720072640, 1876442880, 2064087168, 2580108960, 3440145280, 4128174336, 5160217920, 6880290560, 10320435840, 20640871680]

約数ペア:

[(1, 20640871680), (2, 10320435840), (3, 6880290560), (4, 5160217920), (5, 4128174336), (6, 3440145280), (8, 2580108960), (10, 2064087168), (11, 1876442880), (12, 1720072640), (13, 1587759360), (15, 1376058112), (16, 1290054480), (20, 1032043584), (22, 938221440), (24, 860036320), (26, 793879680), (30, 688029056), (32, 645027240), (33, 625480960), (39, 529253120), (40, 516021792), (44, 469110720), (48, 430018160), (52, 396939840), (55, 375288576), (60, 344014528), (64, 322513620), (65, 317551872), (66, 312740480), (78, 264626560), (80, 258010896), (88, 234555360), (96, 215009080), (104, 198469920), (110, 187644288), (120, 172007264), (128, 161256810), (130, 158775936), (132, 156370240), (143, 144341760), (156, 132313280), (160, 129005448), (165, 125096192), (176, 117277680), (192, 107504540), (195, 105850624), (208, 99234960), (220, 93822144), (240, 86003632), (256, 80628405), (260, 79387968), (264, 78185120), (286, 72170880), (312, 66156640), (320, 64502724), (330, 62548096), (352, 58638840), (384, 53752270), (390, 52925312), (416, 49617480), (429, 48113920), (440, 46911072), (480, 43001816), (520, 39693984), (528, 39092560), (572, 36085440), (624, 33078320), (640, 32251362), (660, 31274048), (704, 29319420), (715, 28868352), (768, 26876135), (780, 26462656), (832, 24808740), (858, 24056960), (880, 23455536), (960, 21500908), (1040, 19846992), (1056, 19546280), (1144, 18042720), (1248, 16539160), (1280, 16125681), (1320, 15637024), (1408, 14659710), (1430, 14434176), (1560, 13231328), (1664, 12404370), (1716, 12028480), (1760, 11727768), (1920, 10750454), (2080, 9923496), (2112, 9773140), (2145, 9622784), (2288, 9021360), (2496, 8269580), (2640, 7818512), (2816, 7329855), (2860, 7217088), (3120, 6615664), (3328, 6202185), (3432, 6014240), (3520, 5863884), (3840, 5375227), (4160, 4961748), (4224, 4886570), (4290, 4811392), (4576, 4510680), (4992, 4134790), (5280, 3909256), (5720, 3608544), (6240, 3307832), (6864, 3007120), (7040, 2931942), (8320, 2480874), (8448, 2443285), (8580, 2405696), (9152, 2255340), (9984, 2067395), (10560, 1954628), (11440, 1804272), (12480, 1653916), (13728, 1503560), (14080, 1465971), (16640, 1240437), (17160, 1202848), (18304, 1127670), (21120, 977314), (22880, 902136), (24960, 826958), (27456, 751780), (34320, 601424), (36608, 563835), (37589, 549120), (42240, 488657), (45760, 451068), (49920, 413479), (54912, 375890), (68640, 300712), (75178, 274560), (91520, 225534), (109824, 187945), (112767, 183040), (137280, 150356)]