1279405440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:985

約数の個数: 192

約数和(自身を含む): 4437061200

約数和(自身を除く): 3157655760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 389, 480, 571, 576, 640, 720, 778, 960, 1142, 1152, 1167, 1440, 1556, 1713, 1920, 1945, 2284, 2334, 2855, 2880, 3112, 3426, 3501, 3890, 4568, 4668, 5139, 5710, 5760, 5835, 6224, 6852, 7002, 7780, 8565, 9136, 9336, 10278, 11420, 11670, 12448, 13704, 14004, 15560, 17130, 17505, 18272, 18672, 20556, 22840, 23340, 24896, 25695, 27408, 28008, 31120, 34260, 35010, 36544, 37344, 41112, 45680, 46680, 49792, 51390, 54816, 56016, 62240, 68520, 70020, 73088, 74688, 82224, 91360, 93360, 102780, 109632, 112032, 124480, 137040, 140040, 149376, 164448, 182720, 186720, 205560, 219264, 222119, 224064, 248960, 274080, 280080, 328896, 365440, 373440, 411120, 444238, 448128, 548160, 560160, 657792, 666357, 746880, 822240, 888476, 1096320, 1110595, 1120320, 1332714, 1644480, 1776952, 1999071, 2221190, 2240640, 2665428, 3288960, 3331785, 3553904, 3998142, 4442380, 5330856, 6663570, 7107808, 7996284, 8884760, 9995355, 10661712, 13327140, 14215616, 15992568, 17769520, 19990710, 21323424, 26654280, 28431232, 31985136, 35539040, 39981420, 42646848, 53308560, 63970272, 71078080, 79962840, 85293696, 106617120, 127940544, 142156160, 159925680, 213234240, 255881088, 319851360, 426468480, 639702720, 1279405440]

約数ペア:

[(1, 1279405440), (2, 639702720), (3, 426468480), (4, 319851360), (5, 255881088), (6, 213234240), (8, 159925680), (9, 142156160), (10, 127940544), (12, 106617120), (15, 85293696), (16, 79962840), (18, 71078080), (20, 63970272), (24, 53308560), (30, 42646848), (32, 39981420), (36, 35539040), (40, 31985136), (45, 28431232), (48, 26654280), (60, 21323424), (64, 19990710), (72, 17769520), (80, 15992568), (90, 14215616), (96, 13327140), (120, 10661712), (128, 9995355), (144, 8884760), (160, 7996284), (180, 7107808), (192, 6663570), (240, 5330856), (288, 4442380), (320, 3998142), (360, 3553904), (384, 3331785), (389, 3288960), (480, 2665428), (571, 2240640), (576, 2221190), (640, 1999071), (720, 1776952), (778, 1644480), (960, 1332714), (1142, 1120320), (1152, 1110595), (1167, 1096320), (1440, 888476), (1556, 822240), (1713, 746880), (1920, 666357), (1945, 657792), (2284, 560160), (2334, 548160), (2855, 448128), (2880, 444238), (3112, 411120), (3426, 373440), (3501, 365440), (3890, 328896), (4568, 280080), (4668, 274080), (5139, 248960), (5710, 224064), (5760, 222119), (5835, 219264), (6224, 205560), (6852, 186720), (7002, 182720), (7780, 164448), (8565, 149376), (9136, 140040), (9336, 137040), (10278, 124480), (11420, 112032), (11670, 109632), (12448, 102780), (13704, 93360), (14004, 91360), (15560, 82224), (17130, 74688), (17505, 73088), (18272, 70020), (18672, 68520), (20556, 62240), (22840, 56016), (23340, 54816), (24896, 51390), (25695, 49792), (27408, 46680), (28008, 45680), (31120, 41112), (34260, 37344), (35010, 36544)]