16620480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 168

約数和(自身を含む): 59436000

約数和(自身を除く): 42815520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 199, 232, 240, 261, 288, 290, 320, 348, 360, 398, 435, 464, 480, 522, 576, 580, 597, 696, 720, 796, 870, 928, 960, 995, 1044, 1160, 1194, 1305, 1392, 1440, 1592, 1740, 1791, 1856, 1990, 2088, 2320, 2388, 2610, 2784, 2880, 2985, 3184, 3480, 3582, 3980, 4176, 4640, 4776, 5220, 5568, 5771, 5970, 6368, 6960, 7164, 7960, 8352, 8955, 9280, 9552, 10440, 11542, 11940, 12736, 13920, 14328, 15920, 16704, 17313, 17910, 19104, 20880, 23084, 23880, 27840, 28656, 28855, 31840, 34626, 35820, 38208, 41760, 46168, 47760, 51939, 57312, 57710, 63680, 69252, 71640, 83520, 86565, 92336, 95520, 103878, 114624, 115420, 138504, 143280, 173130, 184672, 191040, 207756, 230840, 259695, 277008, 286560, 346260, 369344, 415512, 461680, 519390, 554016, 573120, 692520, 831024, 923360, 1038780, 1108032, 1385040, 1662048, 1846720, 2077560, 2770080, 3324096, 4155120, 5540160, 8310240, 16620480]

約数ペア:

[(1, 16620480), (2, 8310240), (3, 5540160), (4, 4155120), (5, 3324096), (6, 2770080), (8, 2077560), (9, 1846720), (10, 1662048), (12, 1385040), (15, 1108032), (16, 1038780), (18, 923360), (20, 831024), (24, 692520), (29, 573120), (30, 554016), (32, 519390), (36, 461680), (40, 415512), (45, 369344), (48, 346260), (58, 286560), (60, 277008), (64, 259695), (72, 230840), (80, 207756), (87, 191040), (90, 184672), (96, 173130), (116, 143280), (120, 138504), (144, 115420), (145, 114624), (160, 103878), (174, 95520), (180, 92336), (192, 86565), (199, 83520), (232, 71640), (240, 69252), (261, 63680), (288, 57710), (290, 57312), (320, 51939), (348, 47760), (360, 46168), (398, 41760), (435, 38208), (464, 35820), (480, 34626), (522, 31840), (576, 28855), (580, 28656), (597, 27840), (696, 23880), (720, 23084), (796, 20880), (870, 19104), (928, 17910), (960, 17313), (995, 16704), (1044, 15920), (1160, 14328), (1194, 13920), (1305, 12736), (1392, 11940), (1440, 11542), (1592, 10440), (1740, 9552), (1791, 9280), (1856, 8955), (1990, 8352), (2088, 7960), (2320, 7164), (2388, 6960), (2610, 6368), (2784, 5970), (2880, 5771), (2985, 5568), (3184, 5220), (3480, 4776), (3582, 4640), (3980, 4176)]