253225980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2217

約数の個数: 192

約数和(自身を含む): 929832960

約数和(自身を除く): 676606980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2161, 2170, 2604, 2790, 3255, 3348, 3780, 3906, 4185, 4322, 4340, 5580, 5859, 6483, 6510, 7812, 8370, 8644, 9765, 10805, 11718, 12966, 13020, 15127, 16740, 19449, 19530, 21610, 23436, 25932, 29295, 30254, 32415, 38898, 39060, 43220, 45381, 58347, 58590, 60508, 64830, 66991, 75635, 77796, 90762, 97245, 116694, 117180, 129660, 133982, 136143, 151270, 181524, 194490, 200973, 226905, 233388, 267964, 272286, 291735, 302540, 334955, 388980, 401946, 408429, 453810, 468937, 544572, 583470, 602919, 669910, 680715, 803892, 816858, 907620, 937874, 1004865, 1166940, 1205838, 1339820, 1361430, 1406811, 1633716, 1808757, 1875748, 2009730, 2042145, 2344685, 2411676, 2722860, 2813622, 3014595, 3617514, 4019460, 4084290, 4220433, 4689370, 5627244, 6029190, 7034055, 7235028, 8168580, 8440866, 9043785, 9378740, 12058380, 12661299, 14068110, 16881732, 18087570, 21102165, 25322598, 28136220, 36175140, 42204330, 50645196, 63306495, 84408660, 126612990, 253225980]

約数ペア:

[(1, 253225980), (2, 126612990), (3, 84408660), (4, 63306495), (5, 50645196), (6, 42204330), (7, 36175140), (9, 28136220), (10, 25322598), (12, 21102165), (14, 18087570), (15, 16881732), (18, 14068110), (20, 12661299), (21, 12058380), (27, 9378740), (28, 9043785), (30, 8440866), (31, 8168580), (35, 7235028), (36, 7034055), (42, 6029190), (45, 5627244), (54, 4689370), (60, 4220433), (62, 4084290), (63, 4019460), (70, 3617514), (84, 3014595), (90, 2813622), (93, 2722860), (105, 2411676), (108, 2344685), (124, 2042145), (126, 2009730), (135, 1875748), (140, 1808757), (155, 1633716), (180, 1406811), (186, 1361430), (189, 1339820), (210, 1205838), (217, 1166940), (252, 1004865), (270, 937874), (279, 907620), (310, 816858), (315, 803892), (372, 680715), (378, 669910), (420, 602919), (434, 583470), (465, 544572), (540, 468937), (558, 453810), (620, 408429), (630, 401946), (651, 388980), (756, 334955), (837, 302540), (868, 291735), (930, 272286), (945, 267964), (1085, 233388), (1116, 226905), (1260, 200973), (1302, 194490), (1395, 181524), (1674, 151270), (1860, 136143), (1890, 133982), (1953, 129660), (2161, 117180), (2170, 116694), (2604, 97245), (2790, 90762), (3255, 77796), (3348, 75635), (3780, 66991), (3906, 64830), (4185, 60508), (4322, 58590), (4340, 58347), (5580, 45381), (5859, 43220), (6483, 39060), (6510, 38898), (7812, 32415), (8370, 30254), (8644, 29295), (9765, 25932), (10805, 23436), (11718, 21610), (12966, 19530), (13020, 19449), (15127, 16740)]