389320320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 1288357920

約数和(自身を除く): 899037600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 211, 240, 248, 310, 320, 372, 384, 422, 465, 480, 496, 620, 633, 640, 744, 844, 930, 960, 961, 992, 1055, 1240, 1266, 1488, 1688, 1860, 1920, 1922, 1984, 2110, 2480, 2532, 2883, 2976, 3165, 3376, 3720, 3844, 3968, 4220, 4805, 4960, 5064, 5766, 5952, 6330, 6541, 6752, 7440, 7688, 8440, 9610, 9920, 10128, 11532, 11904, 12660, 13082, 13504, 14415, 14880, 15376, 16880, 19220, 19623, 19840, 20256, 23064, 25320, 26164, 27008, 28830, 29760, 30752, 32705, 33760, 38440, 39246, 40512, 46128, 50640, 52328, 57660, 59520, 61504, 65410, 67520, 76880, 78492, 81024, 92256, 98115, 101280, 104656, 115320, 123008, 130820, 135040, 153760, 156984, 184512, 196230, 202560, 202771, 209312, 230640, 261640, 307520, 313968, 369024, 392460, 405120, 405542, 418624, 461280, 523280, 608313, 615040, 627936, 784920, 811084, 837248, 922560, 1013855, 1046560, 1216626, 1255872, 1569840, 1622168, 1845120, 2027710, 2093120, 2433252, 2511744, 3041565, 3139680, 3244336, 4055420, 4186240, 4866504, 6083130, 6279360, 6488672, 8110840, 9733008, 12166260, 12558720, 12977344, 16221680, 19466016, 24332520, 25954688, 32443360, 38932032, 48665040, 64886720, 77864064, 97330080, 129773440, 194660160, 389320320]

約数ペア:

[(1, 389320320), (2, 194660160), (3, 129773440), (4, 97330080), (5, 77864064), (6, 64886720), (8, 48665040), (10, 38932032), (12, 32443360), (15, 25954688), (16, 24332520), (20, 19466016), (24, 16221680), (30, 12977344), (31, 12558720), (32, 12166260), (40, 9733008), (48, 8110840), (60, 6488672), (62, 6279360), (64, 6083130), (80, 4866504), (93, 4186240), (96, 4055420), (120, 3244336), (124, 3139680), (128, 3041565), (155, 2511744), (160, 2433252), (186, 2093120), (192, 2027710), (211, 1845120), (240, 1622168), (248, 1569840), (310, 1255872), (320, 1216626), (372, 1046560), (384, 1013855), (422, 922560), (465, 837248), (480, 811084), (496, 784920), (620, 627936), (633, 615040), (640, 608313), (744, 523280), (844, 461280), (930, 418624), (960, 405542), (961, 405120), (992, 392460), (1055, 369024), (1240, 313968), (1266, 307520), (1488, 261640), (1688, 230640), (1860, 209312), (1920, 202771), (1922, 202560), (1984, 196230), (2110, 184512), (2480, 156984), (2532, 153760), (2883, 135040), (2976, 130820), (3165, 123008), (3376, 115320), (3720, 104656), (3844, 101280), (3968, 98115), (4220, 92256), (4805, 81024), (4960, 78492), (5064, 76880), (5766, 67520), (5952, 65410), (6330, 61504), (6541, 59520), (6752, 57660), (7440, 52328), (7688, 50640), (8440, 46128), (9610, 40512), (9920, 39246), (10128, 38440), (11532, 33760), (11904, 32705), (12660, 30752), (13082, 29760), (13504, 28830), (14415, 27008), (14880, 26164), (15376, 25320), (16880, 23064), (19220, 20256), (19623, 19840)]