81888480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 305454240

約数和(自身を除く): 223565760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 41, 45, 48, 57, 60, 72, 73, 76, 80, 82, 90, 95, 96, 114, 120, 123, 144, 146, 152, 160, 164, 171, 180, 190, 205, 219, 228, 240, 246, 285, 288, 292, 304, 328, 342, 360, 365, 369, 380, 410, 438, 456, 480, 492, 570, 584, 608, 615, 656, 657, 684, 720, 730, 738, 760, 779, 820, 855, 876, 912, 984, 1095, 1140, 1168, 1230, 1312, 1314, 1368, 1387, 1440, 1460, 1476, 1520, 1558, 1640, 1710, 1752, 1824, 1845, 1968, 2190, 2280, 2336, 2337, 2460, 2628, 2736, 2774, 2920, 2952, 2993, 3040, 3116, 3280, 3285, 3420, 3504, 3690, 3895, 3936, 4161, 4380, 4560, 4674, 4920, 5256, 5472, 5548, 5840, 5904, 5986, 6232, 6560, 6570, 6840, 6935, 7008, 7011, 7380, 7790, 8322, 8760, 8979, 9120, 9348, 9840, 10512, 11096, 11680, 11685, 11808, 11972, 12464, 12483, 13140, 13680, 13870, 14022, 14760, 14965, 15580, 16644, 17520, 17958, 18696, 19680, 20805, 21024, 22192, 23370, 23944, 24928, 24966, 26280, 26937, 27360, 27740, 28044, 29520, 29930, 31160, 33288, 35040, 35055, 35916, 37392, 41610, 44384, 44895, 46740, 47888, 49932, 52560, 53874, 55480, 56088, 56867, 59040, 59860, 62320, 62415, 66576, 70110, 71832, 74784, 83220, 89790, 93480, 95776, 99864, 105120, 107748, 110960, 112176, 113734, 119720, 124640, 124830, 133152, 134685, 140220, 143664, 166440, 170601, 179580, 186960, 199728, 215496, 221920, 224352, 227468, 239440, 249660, 269370, 280440, 284335, 287328, 332880, 341202, 359160, 373920, 399456, 430992, 454936, 478880, 499320, 511803, 538740, 560880, 568670, 665760, 682404, 718320, 853005, 861984, 909872, 998640, 1023606, 1077480, 1121760, 1137340, 1364808, 1436640, 1706010, 1819744, 1997280, 2047212, 2154960, 2274680, 2559015, 2729616, 3412020, 4094424, 4309920, 4549360, 5118030, 5459232, 6824040, 8188848, 9098720, 10236060, 13648080, 16377696, 20472120, 27296160, 40944240, 81888480]

約数ペア:

[(1, 81888480), (2, 40944240), (3, 27296160), (4, 20472120), (5, 16377696), (6, 13648080), (8, 10236060), (9, 9098720), (10, 8188848), (12, 6824040), (15, 5459232), (16, 5118030), (18, 4549360), (19, 4309920), (20, 4094424), (24, 3412020), (30, 2729616), (32, 2559015), (36, 2274680), (38, 2154960), (40, 2047212), (41, 1997280), (45, 1819744), (48, 1706010), (57, 1436640), (60, 1364808), (72, 1137340), (73, 1121760), (76, 1077480), (80, 1023606), (82, 998640), (90, 909872), (95, 861984), (96, 853005), (114, 718320), (120, 682404), (123, 665760), (144, 568670), (146, 560880), (152, 538740), (160, 511803), (164, 499320), (171, 478880), (180, 454936), (190, 430992), (205, 399456), (219, 373920), (228, 359160), (240, 341202), (246, 332880), (285, 287328), (288, 284335), (292, 280440), (304, 269370), (328, 249660), (342, 239440), (360, 227468), (365, 224352), (369, 221920), (380, 215496), (410, 199728), (438, 186960), (456, 179580), (480, 170601), (492, 166440), (570, 143664), (584, 140220), (608, 134685), (615, 133152), (656, 124830), (657, 124640), (684, 119720), (720, 113734), (730, 112176), (738, 110960), (760, 107748), (779, 105120), (820, 99864), (855, 95776), (876, 93480), (912, 89790), (984, 83220), (1095, 74784), (1140, 71832), (1168, 70110), (1230, 66576), (1312, 62415), (1314, 62320), (1368, 59860), (1387, 59040), (1440, 56867), (1460, 56088), (1476, 55480), (1520, 53874), (1558, 52560), (1640, 49932), (1710, 47888), (1752, 46740), (1824, 44895), (1845, 44384), (1968, 41610), (2190, 37392), (2280, 35916), (2336, 35055), (2337, 35040), (2460, 33288), (2628, 31160), (2736, 29930), (2774, 29520), (2920, 28044), (2952, 27740), (2993, 27360), (3040, 26937), (3116, 26280), (3280, 24966), (3285, 24928), (3420, 23944), (3504, 23370), (3690, 22192), (3895, 21024), (3936, 20805), (4161, 19680), (4380, 18696), (4560, 17958), (4674, 17520), (4920, 16644), (5256, 15580), (5472, 14965), (5548, 14760), (5840, 14022), (5904, 13870), (5986, 13680), (6232, 13140), (6560, 12483), (6570, 12464), (6840, 11972), (6935, 11808), (7008, 11685), (7011, 11680), (7380, 11096), (7790, 10512), (8322, 9840), (8760, 9348), (8979, 9120)]