80900820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 288

約数和(自身を含む): 330220800

約数和(自身を除く): 249319980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 364, 385, 390, 396, 420, 429, 449, 455, 462, 468, 495, 546, 572, 585, 630, 660, 693, 715, 770, 780, 819, 858, 898, 910, 924, 990, 1001, 1092, 1155, 1170, 1260, 1287, 1347, 1365, 1386, 1430, 1540, 1638, 1716, 1796, 1820, 1980, 2002, 2145, 2245, 2310, 2340, 2574, 2694, 2730, 2772, 2860, 3003, 3143, 3276, 3465, 4004, 4041, 4095, 4290, 4490, 4620, 4939, 5005, 5148, 5388, 5460, 5837, 6006, 6286, 6435, 6735, 6930, 8082, 8190, 8580, 8980, 9009, 9429, 9878, 10010, 11674, 12012, 12572, 12870, 13470, 13860, 14817, 15015, 15715, 16164, 16380, 17511, 18018, 18858, 19756, 20020, 20205, 23348, 24695, 25740, 26940, 28287, 29185, 29634, 30030, 31430, 34573, 35022, 36036, 37716, 40410, 40859, 44451, 45045, 47145, 49390, 52533, 56574, 58370, 59268, 60060, 62860, 64207, 69146, 70044, 74085, 80820, 81718, 87555, 88902, 90090, 94290, 98780, 103719, 105066, 113148, 116740, 122577, 128414, 138292, 141435, 148170, 163436, 172865, 175110, 177804, 180180, 188580, 192621, 204295, 207438, 210132, 222255, 245154, 256828, 262665, 282870, 296340, 311157, 321035, 345730, 350220, 367731, 385242, 408590, 414876, 444510, 449449, 490308, 518595, 525330, 565740, 577863, 612885, 622314, 642070, 691460, 735462, 770484, 817180, 889020, 898898, 963105, 1037190, 1050660, 1155726, 1225770, 1244628, 1284140, 1348347, 1470924, 1555785, 1797796, 1838655, 1926210, 2074380, 2247245, 2311452, 2451540, 2696694, 2889315, 3111570, 3677310, 3852420, 4045041, 4494490, 5393388, 5778630, 6223140, 6741735, 7354620, 8090082, 8988980, 11557260, 13483470, 16180164, 20225205, 26966940, 40450410, 80900820]

約数ペア:

[(1, 80900820), (2, 40450410), (3, 26966940), (4, 20225205), (5, 16180164), (6, 13483470), (7, 11557260), (9, 8988980), (10, 8090082), (11, 7354620), (12, 6741735), (13, 6223140), (14, 5778630), (15, 5393388), (18, 4494490), (20, 4045041), (21, 3852420), (22, 3677310), (26, 3111570), (28, 2889315), (30, 2696694), (33, 2451540), (35, 2311452), (36, 2247245), (39, 2074380), (42, 1926210), (44, 1838655), (45, 1797796), (52, 1555785), (55, 1470924), (60, 1348347), (63, 1284140), (65, 1244628), (66, 1225770), (70, 1155726), (77, 1050660), (78, 1037190), (84, 963105), (90, 898898), (91, 889020), (99, 817180), (105, 770484), (110, 735462), (117, 691460), (126, 642070), (130, 622314), (132, 612885), (140, 577863), (143, 565740), (154, 525330), (156, 518595), (165, 490308), (180, 449449), (182, 444510), (195, 414876), (198, 408590), (210, 385242), (220, 367731), (231, 350220), (234, 345730), (252, 321035), (260, 311157), (273, 296340), (286, 282870), (308, 262665), (315, 256828), (330, 245154), (364, 222255), (385, 210132), (390, 207438), (396, 204295), (420, 192621), (429, 188580), (449, 180180), (455, 177804), (462, 175110), (468, 172865), (495, 163436), (546, 148170), (572, 141435), (585, 138292), (630, 128414), (660, 122577), (693, 116740), (715, 113148), (770, 105066), (780, 103719), (819, 98780), (858, 94290), (898, 90090), (910, 88902), (924, 87555), (990, 81718), (1001, 80820), (1092, 74085), (1155, 70044), (1170, 69146), (1260, 64207), (1287, 62860), (1347, 60060), (1365, 59268), (1386, 58370), (1430, 56574), (1540, 52533), (1638, 49390), (1716, 47145), (1796, 45045), (1820, 44451), (1980, 40859), (2002, 40410), (2145, 37716), (2245, 36036), (2310, 35022), (2340, 34573), (2574, 31430), (2694, 30030), (2730, 29634), (2772, 29185), (2860, 28287), (3003, 26940), (3143, 25740), (3276, 24695), (3465, 23348), (4004, 20205), (4041, 20020), (4095, 19756), (4290, 18858), (4490, 18018), (4620, 17511), (4939, 16380), (5005, 16164), (5148, 15715), (5388, 15015), (5460, 14817), (5837, 13860), (6006, 13470), (6286, 12870), (6435, 12572), (6735, 12012), (6930, 11674), (8082, 10010), (8190, 9878), (8580, 9429), (8980, 9009)]