1280466720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1044

約数の個数: 288

約数和(自身を含む): 4775267952

約数和(自身を除く): 3494801232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 73, 78, 80, 90, 96, 104, 117, 120, 130, 144, 146, 156, 160, 180, 195, 208, 219, 234, 240, 260, 288, 292, 312, 360, 365, 390, 416, 438, 468, 480, 520, 584, 585, 624, 657, 720, 730, 780, 876, 936, 937, 949, 1040, 1095, 1168, 1170, 1248, 1314, 1440, 1460, 1560, 1752, 1872, 1874, 1898, 2080, 2190, 2336, 2340, 2628, 2811, 2847, 2920, 3120, 3285, 3504, 3744, 3748, 3796, 4380, 4680, 4685, 4745, 5256, 5622, 5694, 5840, 6240, 6570, 7008, 7496, 7592, 8433, 8541, 8760, 9360, 9370, 9490, 10512, 11244, 11388, 11680, 12181, 13140, 14055, 14235, 14992, 15184, 16866, 17082, 17520, 18720, 18740, 18980, 21024, 22488, 22776, 24362, 26280, 28110, 28470, 29984, 30368, 33732, 34164, 35040, 36543, 37480, 37960, 42165, 42705, 44976, 45552, 48724, 52560, 56220, 56940, 60905, 67464, 68328, 68401, 73086, 74960, 75920, 84330, 85410, 89952, 91104, 97448, 105120, 109629, 112440, 113880, 121810, 134928, 136656, 136802, 146172, 149920, 151840, 168660, 170820, 182715, 194896, 205203, 219258, 224880, 227760, 243620, 269856, 273312, 273604, 292344, 337320, 341640, 342005, 365430, 389792, 410406, 438516, 449760, 455520, 487240, 547208, 548145, 584688, 615609, 674640, 683280, 684010, 730860, 820812, 877032, 889213, 974480, 1026015, 1094416, 1096290, 1169376, 1231218, 1349280, 1366560, 1368020, 1461720, 1641624, 1754064, 1778426, 1948960, 2052030, 2188832, 2192580, 2462436, 2667639, 2736040, 2923440, 3078045, 3283248, 3508128, 3556852, 4104060, 4385160, 4446065, 4924872, 5335278, 5472080, 5846880, 6156090, 6566496, 7113704, 8002917, 8208120, 8770320, 8892130, 9849744, 10670556, 10944160, 12312180, 13338195, 14227408, 16005834, 16416240, 17540640, 17784260, 19699488, 21341112, 24624360, 26676390, 28454816, 32011668, 32832480, 35568520, 40014585, 42682224, 49248720, 53352780, 64023336, 71137040, 80029170, 85364448, 98497440, 106705560, 128046672, 142274080, 160058340, 213411120, 256093344, 320116680, 426822240, 640233360, 1280466720]

約数ペア:

[(1, 1280466720), (2, 640233360), (3, 426822240), (4, 320116680), (5, 256093344), (6, 213411120), (8, 160058340), (9, 142274080), (10, 128046672), (12, 106705560), (13, 98497440), (15, 85364448), (16, 80029170), (18, 71137040), (20, 64023336), (24, 53352780), (26, 49248720), (30, 42682224), (32, 40014585), (36, 35568520), (39, 32832480), (40, 32011668), (45, 28454816), (48, 26676390), (52, 24624360), (60, 21341112), (65, 19699488), (72, 17784260), (73, 17540640), (78, 16416240), (80, 16005834), (90, 14227408), (96, 13338195), (104, 12312180), (117, 10944160), (120, 10670556), (130, 9849744), (144, 8892130), (146, 8770320), (156, 8208120), (160, 8002917), (180, 7113704), (195, 6566496), (208, 6156090), (219, 5846880), (234, 5472080), (240, 5335278), (260, 4924872), (288, 4446065), (292, 4385160), (312, 4104060), (360, 3556852), (365, 3508128), (390, 3283248), (416, 3078045), (438, 2923440), (468, 2736040), (480, 2667639), (520, 2462436), (584, 2192580), (585, 2188832), (624, 2052030), (657, 1948960), (720, 1778426), (730, 1754064), (780, 1641624), (876, 1461720), (936, 1368020), (937, 1366560), (949, 1349280), (1040, 1231218), (1095, 1169376), (1168, 1096290), (1170, 1094416), (1248, 1026015), (1314, 974480), (1440, 889213), (1460, 877032), (1560, 820812), (1752, 730860), (1872, 684010), (1874, 683280), (1898, 674640), (2080, 615609), (2190, 584688), (2336, 548145), (2340, 547208), (2628, 487240), (2811, 455520), (2847, 449760), (2920, 438516), (3120, 410406), (3285, 389792), (3504, 365430), (3744, 342005), (3748, 341640), (3796, 337320), (4380, 292344), (4680, 273604), (4685, 273312), (4745, 269856), (5256, 243620), (5622, 227760), (5694, 224880), (5840, 219258), (6240, 205203), (6570, 194896), (7008, 182715), (7496, 170820), (7592, 168660), (8433, 151840), (8541, 149920), (8760, 146172), (9360, 136802), (9370, 136656), (9490, 134928), (10512, 121810), (11244, 113880), (11388, 112440), (11680, 109629), (12181, 105120), (13140, 97448), (14055, 91104), (14235, 89952), (14992, 85410), (15184, 84330), (16866, 75920), (17082, 74960), (17520, 73086), (18720, 68401), (18740, 68328), (18980, 67464), (21024, 60905), (22488, 56940), (22776, 56220), (24362, 52560), (26280, 48724), (28110, 45552), (28470, 44976), (29984, 42705), (30368, 42165), (33732, 37960), (34164, 37480), (35040, 36543)]