28855680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 111628800

約数和(自身を除く): 82773120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 113, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 226, 228, 240, 266, 280, 285, 304, 320, 336, 339, 380, 384, 399, 420, 448, 452, 456, 480, 532, 560, 565, 570, 608, 640, 665, 672, 678, 760, 791, 798, 840, 896, 904, 912, 960, 1064, 1120, 1130, 1140, 1216, 1330, 1344, 1356, 1520, 1582, 1596, 1680, 1695, 1808, 1824, 1920, 1995, 2128, 2147, 2240, 2260, 2280, 2373, 2432, 2660, 2688, 2712, 3040, 3164, 3192, 3360, 3390, 3616, 3648, 3955, 3990, 4256, 4294, 4480, 4520, 4560, 4746, 5320, 5424, 6080, 6328, 6384, 6441, 6720, 6780, 7232, 7296, 7910, 7980, 8512, 8588, 9040, 9120, 9492, 10640, 10735, 10848, 11865, 12160, 12656, 12768, 12882, 13440, 13560, 14464, 15029, 15820, 15960, 17024, 17176, 18080, 18240, 18984, 21280, 21470, 21696, 23730, 25312, 25536, 25764, 27120, 30058, 31640, 31920, 32205, 34352, 36160, 36480, 37968, 42560, 42940, 43392, 45087, 47460, 50624, 51072, 51528, 54240, 60116, 63280, 63840, 64410, 68704, 72320, 75145, 75936, 85120, 85880, 90174, 94920, 101248, 103056, 108480, 120232, 126560, 127680, 128820, 137408, 150290, 151872, 171760, 180348, 189840, 206112, 216960, 225435, 240464, 253120, 255360, 257640, 274816, 300580, 303744, 343520, 360696, 379680, 412224, 450870, 480928, 506240, 515280, 601160, 687040, 721392, 759360, 824448, 901740, 961856, 1030560, 1202320, 1374080, 1442784, 1518720, 1803480, 1923712, 2061120, 2404640, 2885568, 3606960, 4122240, 4809280, 5771136, 7213920, 9618560, 14427840, 28855680]

約数ペア:

[(1, 28855680), (2, 14427840), (3, 9618560), (4, 7213920), (5, 5771136), (6, 4809280), (7, 4122240), (8, 3606960), (10, 2885568), (12, 2404640), (14, 2061120), (15, 1923712), (16, 1803480), (19, 1518720), (20, 1442784), (21, 1374080), (24, 1202320), (28, 1030560), (30, 961856), (32, 901740), (35, 824448), (38, 759360), (40, 721392), (42, 687040), (48, 601160), (56, 515280), (57, 506240), (60, 480928), (64, 450870), (70, 412224), (76, 379680), (80, 360696), (84, 343520), (95, 303744), (96, 300580), (105, 274816), (112, 257640), (113, 255360), (114, 253120), (120, 240464), (128, 225435), (133, 216960), (140, 206112), (152, 189840), (160, 180348), (168, 171760), (190, 151872), (192, 150290), (210, 137408), (224, 128820), (226, 127680), (228, 126560), (240, 120232), (266, 108480), (280, 103056), (285, 101248), (304, 94920), (320, 90174), (336, 85880), (339, 85120), (380, 75936), (384, 75145), (399, 72320), (420, 68704), (448, 64410), (452, 63840), (456, 63280), (480, 60116), (532, 54240), (560, 51528), (565, 51072), (570, 50624), (608, 47460), (640, 45087), (665, 43392), (672, 42940), (678, 42560), (760, 37968), (791, 36480), (798, 36160), (840, 34352), (896, 32205), (904, 31920), (912, 31640), (960, 30058), (1064, 27120), (1120, 25764), (1130, 25536), (1140, 25312), (1216, 23730), (1330, 21696), (1344, 21470), (1356, 21280), (1520, 18984), (1582, 18240), (1596, 18080), (1680, 17176), (1695, 17024), (1808, 15960), (1824, 15820), (1920, 15029), (1995, 14464), (2128, 13560), (2147, 13440), (2240, 12882), (2260, 12768), (2280, 12656), (2373, 12160), (2432, 11865), (2660, 10848), (2688, 10735), (2712, 10640), (3040, 9492), (3164, 9120), (3192, 9040), (3360, 8588), (3390, 8512), (3616, 7980), (3648, 7910), (3955, 7296), (3990, 7232), (4256, 6780), (4294, 6720), (4480, 6441), (4520, 6384), (4560, 6328), (4746, 6080), (5320, 5424)]