855345920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4718

約数の個数: 144

約数和(自身を含む): 2407521312

約数和(自身を除く): 1552175392

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 2080, 2288, 2816, 2860, 3328, 3520, 4160, 4576, 4673, 5720, 7040, 8320, 9152, 9346, 11440, 14080, 16640, 18304, 18692, 22880, 23365, 36608, 37384, 45760, 46730, 51403, 60749, 74768, 91520, 93460, 102806, 121498, 149536, 183040, 186920, 205612, 242996, 257015, 299072, 303745, 373840, 411224, 485992, 514030, 598144, 607490, 668239, 747680, 822448, 971984, 1028060, 1196288, 1214980, 1336478, 1495360, 1644896, 1943968, 2056120, 2429960, 2672956, 2990720, 3289792, 3341195, 3887936, 4112240, 4859920, 5345912, 5981440, 6579584, 6682390, 7775872, 8224480, 9719840, 10691824, 13159168, 13364780, 15551744, 16448960, 19439680, 21383648, 26729560, 32897920, 38879360, 42767296, 53459120, 65795840, 77758720, 85534592, 106918240, 171069184, 213836480, 427672960, 855345920]

約数ペア:

[(1, 855345920), (2, 427672960), (4, 213836480), (5, 171069184), (8, 106918240), (10, 85534592), (11, 77758720), (13, 65795840), (16, 53459120), (20, 42767296), (22, 38879360), (26, 32897920), (32, 26729560), (40, 21383648), (44, 19439680), (52, 16448960), (55, 15551744), (64, 13364780), (65, 13159168), (80, 10691824), (88, 9719840), (104, 8224480), (110, 7775872), (128, 6682390), (130, 6579584), (143, 5981440), (160, 5345912), (176, 4859920), (208, 4112240), (220, 3887936), (256, 3341195), (260, 3289792), (286, 2990720), (320, 2672956), (352, 2429960), (416, 2056120), (440, 1943968), (520, 1644896), (572, 1495360), (640, 1336478), (704, 1214980), (715, 1196288), (832, 1028060), (880, 971984), (1040, 822448), (1144, 747680), (1280, 668239), (1408, 607490), (1430, 598144), (1664, 514030), (1760, 485992), (2080, 411224), (2288, 373840), (2816, 303745), (2860, 299072), (3328, 257015), (3520, 242996), (4160, 205612), (4576, 186920), (4673, 183040), (5720, 149536), (7040, 121498), (8320, 102806), (9152, 93460), (9346, 91520), (11440, 74768), (14080, 60749), (16640, 51403), (18304, 46730), (18692, 45760), (22880, 37384), (23365, 36608)]