28946880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 252

約数和(自身を含む): 109560360

約数和(自身を除く): 80613480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 32, 36, 38, 40, 45, 46, 48, 57, 60, 64, 69, 72, 76, 80, 90, 92, 95, 96, 114, 115, 120, 138, 144, 152, 160, 171, 180, 184, 190, 192, 207, 228, 230, 240, 276, 285, 288, 304, 320, 342, 345, 360, 368, 380, 414, 437, 456, 460, 480, 529, 552, 570, 576, 608, 684, 690, 720, 736, 760, 828, 855, 874, 912, 920, 960, 1035, 1058, 1104, 1140, 1216, 1311, 1368, 1380, 1440, 1472, 1520, 1587, 1656, 1710, 1748, 1824, 1840, 2070, 2116, 2185, 2208, 2280, 2622, 2645, 2736, 2760, 2880, 3040, 3174, 3312, 3420, 3496, 3648, 3680, 3933, 4140, 4232, 4370, 4416, 4560, 4761, 5244, 5290, 5472, 5520, 6080, 6348, 6555, 6624, 6840, 6992, 7360, 7866, 7935, 8280, 8464, 8740, 9120, 9522, 10051, 10488, 10580, 10944, 11040, 12696, 13110, 13248, 13680, 13984, 15732, 15870, 16560, 16928, 17480, 18240, 19044, 19665, 20102, 20976, 21160, 22080, 23805, 25392, 26220, 27360, 27968, 30153, 31464, 31740, 33120, 33856, 34960, 38088, 39330, 40204, 41952, 42320, 47610, 50255, 50784, 52440, 54720, 60306, 62928, 63480, 66240, 69920, 76176, 78660, 80408, 83904, 84640, 90459, 95220, 100510, 101568, 104880, 120612, 125856, 126960, 139840, 150765, 152352, 157320, 160816, 169280, 180918, 190440, 201020, 209760, 241224, 251712, 253920, 301530, 304704, 314640, 321632, 361836, 380880, 402040, 419520, 452295, 482448, 507840, 603060, 629280, 643264, 723672, 761760, 804080, 904590, 964896, 1206120, 1258560, 1447344, 1523520, 1608160, 1809180, 1929792, 2412240, 2894688, 3216320, 3618360, 4824480, 5789376, 7236720, 9648960, 14473440, 28946880]

約数ペア:

[(1, 28946880), (2, 14473440), (3, 9648960), (4, 7236720), (5, 5789376), (6, 4824480), (8, 3618360), (9, 3216320), (10, 2894688), (12, 2412240), (15, 1929792), (16, 1809180), (18, 1608160), (19, 1523520), (20, 1447344), (23, 1258560), (24, 1206120), (30, 964896), (32, 904590), (36, 804080), (38, 761760), (40, 723672), (45, 643264), (46, 629280), (48, 603060), (57, 507840), (60, 482448), (64, 452295), (69, 419520), (72, 402040), (76, 380880), (80, 361836), (90, 321632), (92, 314640), (95, 304704), (96, 301530), (114, 253920), (115, 251712), (120, 241224), (138, 209760), (144, 201020), (152, 190440), (160, 180918), (171, 169280), (180, 160816), (184, 157320), (190, 152352), (192, 150765), (207, 139840), (228, 126960), (230, 125856), (240, 120612), (276, 104880), (285, 101568), (288, 100510), (304, 95220), (320, 90459), (342, 84640), (345, 83904), (360, 80408), (368, 78660), (380, 76176), (414, 69920), (437, 66240), (456, 63480), (460, 62928), (480, 60306), (529, 54720), (552, 52440), (570, 50784), (576, 50255), (608, 47610), (684, 42320), (690, 41952), (720, 40204), (736, 39330), (760, 38088), (828, 34960), (855, 33856), (874, 33120), (912, 31740), (920, 31464), (960, 30153), (1035, 27968), (1058, 27360), (1104, 26220), (1140, 25392), (1216, 23805), (1311, 22080), (1368, 21160), (1380, 20976), (1440, 20102), (1472, 19665), (1520, 19044), (1587, 18240), (1656, 17480), (1710, 16928), (1748, 16560), (1824, 15870), (1840, 15732), (2070, 13984), (2116, 13680), (2185, 13248), (2208, 13110), (2280, 12696), (2622, 11040), (2645, 10944), (2736, 10580), (2760, 10488), (2880, 10051), (3040, 9522), (3174, 9120), (3312, 8740), (3420, 8464), (3496, 8280), (3648, 7935), (3680, 7866), (3933, 7360), (4140, 6992), (4232, 6840), (4370, 6624), (4416, 6555), (4560, 6348), (4761, 6080), (5244, 5520), (5290, 5472)]