7811365120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:881

約数の個数: 288

約数和(自身を含む): 21922145280

約数和(自身を除く): 14110780160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 256, 260, 304, 310, 320, 380, 403, 416, 494, 496, 520, 589, 608, 620, 640, 760, 797, 806, 832, 988, 992, 1040, 1178, 1216, 1235, 1240, 1280, 1520, 1594, 1612, 1664, 1976, 1984, 2015, 2080, 2356, 2432, 2470, 2480, 2945, 3040, 3188, 3224, 3328, 3952, 3968, 3985, 4030, 4160, 4712, 4864, 4940, 4960, 5890, 6080, 6376, 6448, 7657, 7904, 7936, 7970, 8060, 8320, 9424, 9880, 9920, 10361, 11780, 12160, 12752, 12896, 15143, 15314, 15808, 15940, 16120, 16640, 18848, 19760, 19840, 20722, 23560, 24320, 24707, 25504, 25792, 30286, 30628, 31616, 31880, 32240, 37696, 38285, 39520, 39680, 41444, 47120, 49414, 51008, 51584, 51805, 60572, 61256, 63232, 63760, 64480, 75392, 75715, 76570, 79040, 82888, 94240, 98828, 102016, 103168, 103610, 121144, 122512, 123535, 127520, 128960, 150784, 151430, 153140, 158080, 165776, 188480, 196859, 197656, 204032, 207220, 242288, 245024, 247070, 255040, 257920, 302860, 306280, 316160, 321191, 331552, 376960, 393718, 395312, 414440, 469433, 484576, 490048, 494140, 510080, 515840, 605720, 612560, 642382, 663104, 753920, 787436, 790624, 828880, 938866, 969152, 980096, 984295, 988280, 1020160, 1211440, 1225120, 1284764, 1326208, 1574872, 1581248, 1605955, 1657760, 1877732, 1938304, 1960192, 1968590, 1976560, 2347165, 2422880, 2450240, 2569528, 2652416, 3149744, 3162496, 3211910, 3315520, 3755464, 3876608, 3937180, 3953120, 4694330, 4845760, 4900480, 5139056, 6102629, 6299488, 6324992, 6423820, 6631040, 7510928, 7874360, 7906240, 9388660, 9691520, 9800960, 10278112, 12205258, 12598976, 12847640, 13262080, 15021856, 15748720, 15812480, 18777320, 19383040, 20556224, 24410516, 25197952, 25695280, 30043712, 30513145, 31497440, 31624960, 37554640, 41112448, 48821032, 50395904, 51390560, 60087424, 61026290, 62994880, 75109280, 82224896, 97642064, 102781120, 120174848, 122052580, 125989760, 150218560, 195284128, 205562240, 244105160, 251979520, 300437120, 390568256, 411124480, 488210320, 600874240, 781136512, 976420640, 1562273024, 1952841280, 3905682560, 7811365120]

約数ペア:

[(1, 7811365120), (2, 3905682560), (4, 1952841280), (5, 1562273024), (8, 976420640), (10, 781136512), (13, 600874240), (16, 488210320), (19, 411124480), (20, 390568256), (26, 300437120), (31, 251979520), (32, 244105160), (38, 205562240), (40, 195284128), (52, 150218560), (62, 125989760), (64, 122052580), (65, 120174848), (76, 102781120), (80, 97642064), (95, 82224896), (104, 75109280), (124, 62994880), (128, 61026290), (130, 60087424), (152, 51390560), (155, 50395904), (160, 48821032), (190, 41112448), (208, 37554640), (247, 31624960), (248, 31497440), (256, 30513145), (260, 30043712), (304, 25695280), (310, 25197952), (320, 24410516), (380, 20556224), (403, 19383040), (416, 18777320), (494, 15812480), (496, 15748720), (520, 15021856), (589, 13262080), (608, 12847640), (620, 12598976), (640, 12205258), (760, 10278112), (797, 9800960), (806, 9691520), (832, 9388660), (988, 7906240), (992, 7874360), (1040, 7510928), (1178, 6631040), (1216, 6423820), (1235, 6324992), (1240, 6299488), (1280, 6102629), (1520, 5139056), (1594, 4900480), (1612, 4845760), (1664, 4694330), (1976, 3953120), (1984, 3937180), (2015, 3876608), (2080, 3755464), (2356, 3315520), (2432, 3211910), (2470, 3162496), (2480, 3149744), (2945, 2652416), (3040, 2569528), (3188, 2450240), (3224, 2422880), (3328, 2347165), (3952, 1976560), (3968, 1968590), (3985, 1960192), (4030, 1938304), (4160, 1877732), (4712, 1657760), (4864, 1605955), (4940, 1581248), (4960, 1574872), (5890, 1326208), (6080, 1284764), (6376, 1225120), (6448, 1211440), (7657, 1020160), (7904, 988280), (7936, 984295), (7970, 980096), (8060, 969152), (8320, 938866), (9424, 828880), (9880, 790624), (9920, 787436), (10361, 753920), (11780, 663104), (12160, 642382), (12752, 612560), (12896, 605720), (15143, 515840), (15314, 510080), (15808, 494140), (15940, 490048), (16120, 484576), (16640, 469433), (18848, 414440), (19760, 395312), (19840, 393718), (20722, 376960), (23560, 331552), (24320, 321191), (24707, 316160), (25504, 306280), (25792, 302860), (30286, 257920), (30628, 255040), (31616, 247070), (31880, 245024), (32240, 242288), (37696, 207220), (38285, 204032), (39520, 197656), (39680, 196859), (41444, 188480), (47120, 165776), (49414, 158080), (51008, 153140), (51584, 151430), (51805, 150784), (60572, 128960), (61256, 127520), (63232, 123535), (63760, 122512), (64480, 121144), (75392, 103610), (75715, 103168), (76570, 102016), (79040, 98828), (82888, 94240)]