257321394720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{225341}}^1$

素因数の和:225436

約数の個数: 288

約数和(自身を含む): 961162950384

約数和(自身を除く): 703841555664

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, 61, 65, 72, 78, 80, 90, 96, 104, 117, 120, 122, 130, 144, 156, 160, 180, 183, 195, 208, 234, 240, 244, 260, 288, 305, 312, 360, 366, 390, 416, 468, 480, 488, 520, 549, 585, 610, 624, 720, 732, 780, 793, 915, 936, 976, 1040, 1098, 1170, 1220, 1248, 1440, 1464, 1560, 1586, 1830, 1872, 1952, 2080, 2196, 2340, 2379, 2440, 2745, 2928, 3120, 3172, 3660, 3744, 3965, 4392, 4680, 4758, 4880, 5490, 5856, 6240, 6344, 7137, 7320, 7930, 8784, 9360, 9516, 9760, 10980, 11895, 12688, 14274, 14640, 15860, 17568, 18720, 19032, 21960, 23790, 25376, 28548, 29280, 31720, 35685, 38064, 43920, 47580, 57096, 63440, 71370, 76128, 87840, 95160, 114192, 126880, 142740, 190320, 225341, 228384, 285480, 380640, 450682, 570960, 676023, 901364, 1126705, 1141920, 1352046, 1802728, 2028069, 2253410, 2704092, 2929433, 3380115, 3605456, 4056138, 4506820, 5408184, 5858866, 6760230, 7210912, 8112276, 8788299, 9013640, 10140345, 10816368, 11717732, 13520460, 13745801, 14647165, 16224552, 17576598, 18027280, 20280690, 21632736, 23435464, 26364897, 27040920, 27491602, 29294330, 32449104, 35153196, 36054560, 40561380, 41237403, 43941495, 46870928, 52729794, 54081840, 54983204, 58588660, 64898208, 68729005, 70306392, 81122760, 82474806, 87882990, 93741856, 105459588, 108163680, 109966408, 117177320, 123712209, 131824485, 137458010, 140612784, 162245520, 164949612, 175765980, 178695413, 206187015, 210919176, 219932816, 234354640, 247424418, 263648970, 274916020, 281225568, 324491040, 329899224, 351531960, 357390826, 412374030, 421838352, 439865632, 468709280, 494848836, 527297940, 536086239, 549832040, 618561045, 659798448, 703063920, 714781652, 824748060, 843676704, 893477065, 989697672, 1054595880, 1072172478, 1099664080, 1237122090, 1319596896, 1406127840, 1429563304, 1608258717, 1649496120, 1786954130, 1979395344, 2109191760, 2144344956, 2199328160, 2474244180, 2680431195, 2859126608, 3216517434, 3298992240, 3573908260, 3958790688, 4218383520, 4288689912, 4948488360, 5360862390, 5718253216, 6433034868, 6597984480, 7147816520, 8041293585, 8577379824, 9896976720, 10721724780, 12866069736, 14295633040, 16082587170, 17154759648, 19793953440, 21443449560, 25732139472, 28591266080, 32165174340, 42886899120, 51464278944, 64330348680, 85773798240, 128660697360, 257321394720]

約数ペア:

[(1, 257321394720), (2, 128660697360), (3, 85773798240), (4, 64330348680), (5, 51464278944), (6, 42886899120), (8, 32165174340), (9, 28591266080), (10, 25732139472), (12, 21443449560), (13, 19793953440), (15, 17154759648), (16, 16082587170), (18, 14295633040), (20, 12866069736), (24, 10721724780), (26, 9896976720), (30, 8577379824), (32, 8041293585), (36, 7147816520), (39, 6597984480), (40, 6433034868), (45, 5718253216), (48, 5360862390), (52, 4948488360), (60, 4288689912), (61, 4218383520), (65, 3958790688), (72, 3573908260), (78, 3298992240), (80, 3216517434), (90, 2859126608), (96, 2680431195), (104, 2474244180), (117, 2199328160), (120, 2144344956), (122, 2109191760), (130, 1979395344), (144, 1786954130), (156, 1649496120), (160, 1608258717), (180, 1429563304), (183, 1406127840), (195, 1319596896), (208, 1237122090), (234, 1099664080), (240, 1072172478), (244, 1054595880), (260, 989697672), (288, 893477065), (305, 843676704), (312, 824748060), (360, 714781652), (366, 703063920), (390, 659798448), (416, 618561045), (468, 549832040), (480, 536086239), (488, 527297940), (520, 494848836), (549, 468709280), (585, 439865632), (610, 421838352), (624, 412374030), (720, 357390826), (732, 351531960), (780, 329899224), (793, 324491040), (915, 281225568), (936, 274916020), (976, 263648970), (1040, 247424418), (1098, 234354640), (1170, 219932816), (1220, 210919176), (1248, 206187015), (1440, 178695413), (1464, 175765980), (1560, 164949612), (1586, 162245520), (1830, 140612784), (1872, 137458010), (1952, 131824485), (2080, 123712209), (2196, 117177320), (2340, 109966408), (2379, 108163680), (2440, 105459588), (2745, 93741856), (2928, 87882990), (3120, 82474806), (3172, 81122760), (3660, 70306392), (3744, 68729005), (3965, 64898208), (4392, 58588660), (4680, 54983204), (4758, 54081840), (4880, 52729794), (5490, 46870928), (5856, 43941495), (6240, 41237403), (6344, 40561380), (7137, 36054560), (7320, 35153196), (7930, 32449104), (8784, 29294330), (9360, 27491602), (9516, 27040920), (9760, 26364897), (10980, 23435464), (11895, 21632736), (12688, 20280690), (14274, 18027280), (14640, 17576598), (15860, 16224552), (17568, 14647165), (18720, 13745801), (19032, 13520460), (21960, 11717732), (23790, 10816368), (25376, 10140345), (28548, 9013640), (29280, 8788299), (31720, 8112276), (35685, 7210912), (38064, 6760230), (43920, 5858866), (47580, 5408184), (57096, 4506820), (63440, 4056138), (71370, 3605456), (76128, 3380115), (87840, 2929433), (95160, 2704092), (114192, 2253410), (126880, 2028069), (142740, 1802728), (190320, 1352046), (225341, 1141920), (228384, 1126705), (285480, 901364), (380640, 676023), (450682, 570960)]