21503378160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{87583}}^1$

素因数の和:87644

約数の個数: 240

約数和(自身を含む): 81322795008

約数和(自身を除く): 59819416848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2232, 2480, 2640, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 4464, 5115, 5456, 5580, 6138, 6820, 7440, 7920, 8184, 10230, 11160, 12276, 13640, 15345, 16368, 20460, 22320, 24552, 27280, 30690, 40920, 49104, 61380, 81840, 87583, 122760, 175166, 245520, 262749, 350332, 437915, 525498, 700664, 788247, 875830, 963413, 1050996, 1313745, 1401328, 1576494, 1751660, 1926826, 2101992, 2627490, 2715073, 2890239, 3152988, 3503320, 3853652, 3941235, 4203984, 4817065, 5254980, 5430146, 5780478, 6305976, 7006640, 7707304, 7882470, 8145219, 8670717, 9634130, 10509960, 10860292, 11560956, 12611952, 13575365, 14451195, 15414608, 15764940, 16290438, 17341434, 19268260, 21019920, 21720584, 23121912, 24435657, 27150730, 28902390, 29865803, 31529880, 32580876, 34682868, 38536520, 40726095, 43353585, 43441168, 46243824, 48871314, 54301460, 57804780, 59731606, 63059760, 65161752, 69365736, 77073040, 81452190, 86707170, 89597409, 97742628, 108602920, 115609560, 119463212, 122178285, 130323504, 138731472, 149329015, 162904380, 173414340, 179194818, 195485256, 217205840, 231219120, 238926424, 244356570, 268792227, 298658030, 325808760, 346828680, 358389636, 390970512, 447987045, 477852848, 488713140, 537584454, 597316060, 651617520, 693657360, 716779272, 895974090, 977426280, 1075168908, 1194632120, 1343961135, 1433558544, 1791948180, 1954852560, 2150337816, 2389264240, 2687922270, 3583896360, 4300675632, 5375844540, 7167792720, 10751689080, 21503378160]

約数ペア:

[(1, 21503378160), (2, 10751689080), (3, 7167792720), (4, 5375844540), (5, 4300675632), (6, 3583896360), (8, 2687922270), (9, 2389264240), (10, 2150337816), (11, 1954852560), (12, 1791948180), (15, 1433558544), (16, 1343961135), (18, 1194632120), (20, 1075168908), (22, 977426280), (24, 895974090), (30, 716779272), (31, 693657360), (33, 651617520), (36, 597316060), (40, 537584454), (44, 488713140), (45, 477852848), (48, 447987045), (55, 390970512), (60, 358389636), (62, 346828680), (66, 325808760), (72, 298658030), (80, 268792227), (88, 244356570), (90, 238926424), (93, 231219120), (99, 217205840), (110, 195485256), (120, 179194818), (124, 173414340), (132, 162904380), (144, 149329015), (155, 138731472), (165, 130323504), (176, 122178285), (180, 119463212), (186, 115609560), (198, 108602920), (220, 97742628), (240, 89597409), (248, 86707170), (264, 81452190), (279, 77073040), (310, 69365736), (330, 65161752), (341, 63059760), (360, 59731606), (372, 57804780), (396, 54301460), (440, 48871314), (465, 46243824), (495, 43441168), (496, 43353585), (528, 40726095), (558, 38536520), (620, 34682868), (660, 32580876), (682, 31529880), (720, 29865803), (744, 28902390), (792, 27150730), (880, 24435657), (930, 23121912), (990, 21720584), (1023, 21019920), (1116, 19268260), (1240, 17341434), (1320, 16290438), (1364, 15764940), (1395, 15414608), (1488, 14451195), (1584, 13575365), (1705, 12611952), (1860, 11560956), (1980, 10860292), (2046, 10509960), (2232, 9634130), (2480, 8670717), (2640, 8145219), (2728, 7882470), (2790, 7707304), (3069, 7006640), (3410, 6305976), (3720, 5780478), (3960, 5430146), (4092, 5254980), (4464, 4817065), (5115, 4203984), (5456, 3941235), (5580, 3853652), (6138, 3503320), (6820, 3152988), (7440, 2890239), (7920, 2715073), (8184, 2627490), (10230, 2101992), (11160, 1926826), (12276, 1751660), (13640, 1576494), (15345, 1401328), (16368, 1313745), (20460, 1050996), (22320, 963413), (24552, 875830), (27280, 788247), (30690, 700664), (40920, 525498), (49104, 437915), (61380, 350332), (81840, 262749), (87583, 245520), (122760, 175166)]