21516480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 168

約数和(自身を含む): 76712064

約数和(自身を除く): 55195584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 241, 248, 279, 288, 310, 320, 360, 372, 465, 480, 482, 496, 558, 576, 620, 720, 723, 744, 930, 960, 964, 992, 1116, 1205, 1240, 1395, 1440, 1446, 1488, 1860, 1928, 1984, 2169, 2232, 2410, 2480, 2790, 2880, 2892, 2976, 3615, 3720, 3856, 4338, 4464, 4820, 4960, 5580, 5784, 5952, 7230, 7440, 7471, 7712, 8676, 8928, 9640, 9920, 10845, 11160, 11568, 14460, 14880, 14942, 15424, 17352, 17856, 19280, 21690, 22320, 22413, 23136, 28920, 29760, 29884, 34704, 37355, 38560, 43380, 44640, 44826, 46272, 57840, 59768, 67239, 69408, 74710, 77120, 86760, 89280, 89652, 112065, 115680, 119536, 134478, 138816, 149420, 173520, 179304, 224130, 231360, 239072, 268956, 298840, 336195, 347040, 358608, 448260, 478144, 537912, 597680, 672390, 694080, 717216, 896520, 1075824, 1195360, 1344780, 1434432, 1793040, 2151648, 2390720, 2689560, 3586080, 4303296, 5379120, 7172160, 10758240, 21516480]

約数ペア:

[(1, 21516480), (2, 10758240), (3, 7172160), (4, 5379120), (5, 4303296), (6, 3586080), (8, 2689560), (9, 2390720), (10, 2151648), (12, 1793040), (15, 1434432), (16, 1344780), (18, 1195360), (20, 1075824), (24, 896520), (30, 717216), (31, 694080), (32, 672390), (36, 597680), (40, 537912), (45, 478144), (48, 448260), (60, 358608), (62, 347040), (64, 336195), (72, 298840), (80, 268956), (90, 239072), (93, 231360), (96, 224130), (120, 179304), (124, 173520), (144, 149420), (155, 138816), (160, 134478), (180, 119536), (186, 115680), (192, 112065), (240, 89652), (241, 89280), (248, 86760), (279, 77120), (288, 74710), (310, 69408), (320, 67239), (360, 59768), (372, 57840), (465, 46272), (480, 44826), (482, 44640), (496, 43380), (558, 38560), (576, 37355), (620, 34704), (720, 29884), (723, 29760), (744, 28920), (930, 23136), (960, 22413), (964, 22320), (992, 21690), (1116, 19280), (1205, 17856), (1240, 17352), (1395, 15424), (1440, 14942), (1446, 14880), (1488, 14460), (1860, 11568), (1928, 11160), (1984, 10845), (2169, 9920), (2232, 9640), (2410, 8928), (2480, 8676), (2790, 7712), (2880, 7471), (2892, 7440), (2976, 7230), (3615, 5952), (3720, 5784), (3856, 5580), (4338, 4960), (4464, 4820)]