128770190720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:1065

約数の個数: 256

約数和(自身を含む): 326313308160

約数和(自身を除く): 197543117440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 151, 155, 160, 212, 248, 265, 302, 310, 320, 424, 496, 530, 604, 620, 640, 755, 811, 848, 992, 1060, 1208, 1240, 1510, 1622, 1643, 1696, 1984, 2120, 2416, 2480, 3020, 3244, 3286, 3392, 3968, 4055, 4240, 4681, 4832, 4960, 6040, 6488, 6572, 6784, 8003, 8110, 8215, 8480, 9362, 9664, 9920, 12080, 12976, 13144, 16006, 16220, 16430, 16960, 18724, 19328, 19840, 23405, 24160, 25141, 25952, 26288, 32012, 32440, 32860, 33920, 37448, 40015, 42983, 46810, 48320, 50282, 51904, 52576, 64024, 64880, 65720, 74896, 80030, 85966, 93620, 96640, 100564, 103808, 105152, 122461, 125705, 128048, 129760, 131440, 149792, 160060, 171932, 187240, 201128, 210304, 214915, 244922, 248093, 251410, 256096, 259520, 262880, 299584, 320120, 343864, 374480, 402256, 429830, 489844, 496186, 502820, 512192, 519040, 525760, 599168, 612305, 640240, 687728, 748960, 804512, 859660, 979688, 992372, 1005640, 1024384, 1051520, 1224610, 1240465, 1280480, 1332473, 1375456, 1497920, 1609024, 1719320, 1959376, 1984744, 2011280, 2449220, 2480930, 2560960, 2664946, 2750912, 2995840, 3218048, 3438640, 3796291, 3918752, 3969488, 4022560, 4898440, 4961860, 5121920, 5329892, 5501824, 6490433, 6662365, 6877280, 7592582, 7837504, 7938976, 8045120, 9796880, 9923720, 10659784, 12980866, 13324730, 13754560, 15185164, 15675008, 15877952, 16090240, 18981455, 19593760, 19847440, 21319568, 25961732, 26649460, 27509120, 30370328, 31755904, 32452165, 37962910, 39187520, 39694880, 42639136, 51923464, 53298920, 60740656, 64904330, 75925820, 78375040, 79389760, 85278272, 103846928, 106597840, 121481312, 129808660, 151851640, 158779520, 170556544, 201203423, 207693856, 213195680, 242962624, 259617320, 303703280, 402406846, 415387712, 426391360, 485925248, 519234640, 607406560, 804813692, 830775424, 852782720, 1006017115, 1038469280, 1214813120, 1609627384, 2012034230, 2076938560, 2429626240, 3219254768, 4024068460, 4153877120, 6438509536, 8048136920, 12877019072, 16096273840, 25754038144, 32192547680, 64385095360, 128770190720]

約数ペア:

[(1, 128770190720), (2, 64385095360), (4, 32192547680), (5, 25754038144), (8, 16096273840), (10, 12877019072), (16, 8048136920), (20, 6438509536), (31, 4153877120), (32, 4024068460), (40, 3219254768), (53, 2429626240), (62, 2076938560), (64, 2012034230), (80, 1609627384), (106, 1214813120), (124, 1038469280), (128, 1006017115), (151, 852782720), (155, 830775424), (160, 804813692), (212, 607406560), (248, 519234640), (265, 485925248), (302, 426391360), (310, 415387712), (320, 402406846), (424, 303703280), (496, 259617320), (530, 242962624), (604, 213195680), (620, 207693856), (640, 201203423), (755, 170556544), (811, 158779520), (848, 151851640), (992, 129808660), (1060, 121481312), (1208, 106597840), (1240, 103846928), (1510, 85278272), (1622, 79389760), (1643, 78375040), (1696, 75925820), (1984, 64904330), (2120, 60740656), (2416, 53298920), (2480, 51923464), (3020, 42639136), (3244, 39694880), (3286, 39187520), (3392, 37962910), (3968, 32452165), (4055, 31755904), (4240, 30370328), (4681, 27509120), (4832, 26649460), (4960, 25961732), (6040, 21319568), (6488, 19847440), (6572, 19593760), (6784, 18981455), (8003, 16090240), (8110, 15877952), (8215, 15675008), (8480, 15185164), (9362, 13754560), (9664, 13324730), (9920, 12980866), (12080, 10659784), (12976, 9923720), (13144, 9796880), (16006, 8045120), (16220, 7938976), (16430, 7837504), (16960, 7592582), (18724, 6877280), (19328, 6662365), (19840, 6490433), (23405, 5501824), (24160, 5329892), (25141, 5121920), (25952, 4961860), (26288, 4898440), (32012, 4022560), (32440, 3969488), (32860, 3918752), (33920, 3796291), (37448, 3438640), (40015, 3218048), (42983, 2995840), (46810, 2750912), (48320, 2664946), (50282, 2560960), (51904, 2480930), (52576, 2449220), (64024, 2011280), (64880, 1984744), (65720, 1959376), (74896, 1719320), (80030, 1609024), (85966, 1497920), (93620, 1375456), (96640, 1332473), (100564, 1280480), (103808, 1240465), (105152, 1224610), (122461, 1051520), (125705, 1024384), (128048, 1005640), (129760, 992372), (131440, 979688), (149792, 859660), (160060, 804512), (171932, 748960), (187240, 687728), (201128, 640240), (210304, 612305), (214915, 599168), (244922, 525760), (248093, 519040), (251410, 512192), (256096, 502820), (259520, 496186), (262880, 489844), (299584, 429830), (320120, 402256), (343864, 374480)]