81049500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 305270784

約数和(自身を除く): 224221284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 83, 84, 90, 93, 100, 105, 124, 125, 126, 140, 150, 155, 166, 175, 180, 186, 210, 217, 225, 249, 250, 252, 279, 300, 310, 315, 332, 350, 372, 375, 415, 420, 434, 450, 465, 498, 500, 525, 558, 581, 620, 630, 651, 700, 747, 750, 775, 830, 868, 875, 900, 930, 996, 1050, 1085, 1116, 1125, 1162, 1245, 1260, 1302, 1395, 1494, 1500, 1550, 1575, 1660, 1743, 1750, 1860, 1953, 2075, 2100, 2170, 2250, 2324, 2325, 2490, 2573, 2604, 2625, 2790, 2905, 2988, 3100, 3150, 3255, 3486, 3500, 3735, 3875, 3906, 4150, 4340, 4500, 4650, 4980, 5146, 5229, 5250, 5425, 5580, 5810, 6225, 6300, 6510, 6972, 6975, 7470, 7719, 7750, 7812, 7875, 8300, 8715, 9300, 9765, 10292, 10375, 10458, 10500, 10850, 11620, 11625, 12450, 12865, 13020, 13950, 14525, 14940, 15438, 15500, 15750, 16275, 17430, 18011, 18675, 19530, 20750, 20916, 21700, 23157, 23250, 24900, 25730, 26145, 27125, 27900, 29050, 30876, 31125, 31500, 32550, 34860, 34875, 36022, 37350, 38595, 39060, 41500, 43575, 46314, 46500, 48825, 51460, 52290, 54033, 54250, 58100, 62250, 64325, 65100, 69750, 72044, 72625, 74700, 77190, 81375, 87150, 90055, 92628, 93375, 97650, 104580, 108066, 108500, 115785, 124500, 128650, 130725, 139500, 145250, 154380, 162099, 162750, 174300, 180110, 186750, 192975, 195300, 216132, 217875, 231570, 244125, 257300, 261450, 270165, 290500, 321625, 324198, 325500, 360220, 373500, 385950, 435750, 450275, 463140, 488250, 522900, 540330, 578925, 643250, 648396, 653625, 771900, 810495, 871500, 900550, 964875, 976500, 1080660, 1157850, 1286500, 1307250, 1350825, 1620990, 1801100, 1929750, 2251375, 2315700, 2614500, 2701650, 2894625, 3241980, 3859500, 4052475, 4502750, 5403300, 5789250, 6754125, 8104950, 9005500, 11578500, 13508250, 16209900, 20262375, 27016500, 40524750, 81049500]

約数ペア:

[(1, 81049500), (2, 40524750), (3, 27016500), (4, 20262375), (5, 16209900), (6, 13508250), (7, 11578500), (9, 9005500), (10, 8104950), (12, 6754125), (14, 5789250), (15, 5403300), (18, 4502750), (20, 4052475), (21, 3859500), (25, 3241980), (28, 2894625), (30, 2701650), (31, 2614500), (35, 2315700), (36, 2251375), (42, 1929750), (45, 1801100), (50, 1620990), (60, 1350825), (62, 1307250), (63, 1286500), (70, 1157850), (75, 1080660), (83, 976500), (84, 964875), (90, 900550), (93, 871500), (100, 810495), (105, 771900), (124, 653625), (125, 648396), (126, 643250), (140, 578925), (150, 540330), (155, 522900), (166, 488250), (175, 463140), (180, 450275), (186, 435750), (210, 385950), (217, 373500), (225, 360220), (249, 325500), (250, 324198), (252, 321625), (279, 290500), (300, 270165), (310, 261450), (315, 257300), (332, 244125), (350, 231570), (372, 217875), (375, 216132), (415, 195300), (420, 192975), (434, 186750), (450, 180110), (465, 174300), (498, 162750), (500, 162099), (525, 154380), (558, 145250), (581, 139500), (620, 130725), (630, 128650), (651, 124500), (700, 115785), (747, 108500), (750, 108066), (775, 104580), (830, 97650), (868, 93375), (875, 92628), (900, 90055), (930, 87150), (996, 81375), (1050, 77190), (1085, 74700), (1116, 72625), (1125, 72044), (1162, 69750), (1245, 65100), (1260, 64325), (1302, 62250), (1395, 58100), (1494, 54250), (1500, 54033), (1550, 52290), (1575, 51460), (1660, 48825), (1743, 46500), (1750, 46314), (1860, 43575), (1953, 41500), (2075, 39060), (2100, 38595), (2170, 37350), (2250, 36022), (2324, 34875), (2325, 34860), (2490, 32550), (2573, 31500), (2604, 31125), (2625, 30876), (2790, 29050), (2905, 27900), (2988, 27125), (3100, 26145), (3150, 25730), (3255, 24900), (3486, 23250), (3500, 23157), (3735, 21700), (3875, 20916), (3906, 20750), (4150, 19530), (4340, 18675), (4500, 18011), (4650, 17430), (4980, 16275), (5146, 15750), (5229, 15500), (5250, 15438), (5425, 14940), (5580, 14525), (5810, 13950), (6225, 13020), (6300, 12865), (6510, 12450), (6972, 11625), (6975, 11620), (7470, 10850), (7719, 10500), (7750, 10458), (7812, 10375), (7875, 10292), (8300, 9765), (8715, 9300)]