81717552

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 160

約数和(自身を含む): 273077760

約数和(自身を除く): 191360208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 61, 63, 72, 84, 108, 112, 122, 126, 144, 168, 183, 189, 216, 244, 252, 336, 366, 378, 427, 432, 443, 488, 504, 549, 732, 756, 854, 886, 976, 1008, 1098, 1281, 1329, 1464, 1512, 1647, 1708, 1772, 2196, 2562, 2658, 2928, 3024, 3101, 3294, 3416, 3544, 3843, 3987, 4392, 5124, 5316, 6202, 6588, 6832, 7088, 7686, 7974, 8784, 9303, 10248, 10632, 11529, 11961, 12404, 13176, 15372, 15948, 18606, 20496, 21264, 23058, 23922, 24808, 26352, 27023, 27909, 30744, 31896, 37212, 46116, 47844, 49616, 54046, 55818, 61488, 63792, 74424, 81069, 83727, 92232, 95688, 108092, 111636, 148848, 162138, 167454, 184464, 189161, 191376, 216184, 223272, 243207, 324276, 334908, 378322, 432368, 446544, 486414, 567483, 648552, 669816, 729621, 756644, 972828, 1134966, 1297104, 1339632, 1459242, 1513288, 1702449, 1945656, 2269932, 2918484, 3026576, 3404898, 3891312, 4539864, 5107347, 5836968, 6809796, 9079728, 10214694, 11673936, 13619592, 20429388, 27239184, 40858776, 81717552]

約数ペア:

[(1, 81717552), (2, 40858776), (3, 27239184), (4, 20429388), (6, 13619592), (7, 11673936), (8, 10214694), (9, 9079728), (12, 6809796), (14, 5836968), (16, 5107347), (18, 4539864), (21, 3891312), (24, 3404898), (27, 3026576), (28, 2918484), (36, 2269932), (42, 1945656), (48, 1702449), (54, 1513288), (56, 1459242), (61, 1339632), (63, 1297104), (72, 1134966), (84, 972828), (108, 756644), (112, 729621), (122, 669816), (126, 648552), (144, 567483), (168, 486414), (183, 446544), (189, 432368), (216, 378322), (244, 334908), (252, 324276), (336, 243207), (366, 223272), (378, 216184), (427, 191376), (432, 189161), (443, 184464), (488, 167454), (504, 162138), (549, 148848), (732, 111636), (756, 108092), (854, 95688), (886, 92232), (976, 83727), (1008, 81069), (1098, 74424), (1281, 63792), (1329, 61488), (1464, 55818), (1512, 54046), (1647, 49616), (1708, 47844), (1772, 46116), (2196, 37212), (2562, 31896), (2658, 30744), (2928, 27909), (3024, 27023), (3101, 26352), (3294, 24808), (3416, 23922), (3544, 23058), (3843, 21264), (3987, 20496), (4392, 18606), (5124, 15948), (5316, 15372), (6202, 13176), (6588, 12404), (6832, 11961), (7088, 11529), (7686, 10632), (7974, 10248), (8784, 9303)]