81215424

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 168

約数和(自身を含む): 252404880

約数和(自身を除く): 171189456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 41, 48, 57, 64, 72, 76, 82, 96, 114, 123, 144, 152, 164, 171, 181, 192, 228, 246, 288, 304, 328, 342, 362, 369, 456, 492, 543, 576, 608, 656, 684, 724, 738, 779, 912, 984, 1086, 1216, 1312, 1368, 1448, 1476, 1558, 1629, 1824, 1968, 2172, 2337, 2624, 2736, 2896, 2952, 3116, 3258, 3439, 3648, 3936, 4344, 4674, 5472, 5792, 5904, 6232, 6516, 6878, 7011, 7421, 7872, 8688, 9348, 10317, 10944, 11584, 11808, 12464, 13032, 13756, 14022, 14842, 17376, 18696, 20634, 22263, 23616, 24928, 26064, 27512, 28044, 29684, 30951, 34752, 37392, 41268, 44526, 49856, 52128, 55024, 56088, 59368, 61902, 66789, 74784, 82536, 89052, 104256, 110048, 112176, 118736, 123804, 133578, 140999, 149568, 165072, 178104, 220096, 224352, 237472, 247608, 267156, 281998, 330144, 356208, 422997, 448704, 474944, 495216, 534312, 563996, 660288, 712416, 845994, 990432, 1068624, 1127992, 1268991, 1424832, 1691988, 1980864, 2137248, 2255984, 2537982, 3383976, 4274496, 4511968, 5075964, 6767952, 9023936, 10151928, 13535904, 20303856, 27071808, 40607712, 81215424]

約数ペア:

[(1, 81215424), (2, 40607712), (3, 27071808), (4, 20303856), (6, 13535904), (8, 10151928), (9, 9023936), (12, 6767952), (16, 5075964), (18, 4511968), (19, 4274496), (24, 3383976), (32, 2537982), (36, 2255984), (38, 2137248), (41, 1980864), (48, 1691988), (57, 1424832), (64, 1268991), (72, 1127992), (76, 1068624), (82, 990432), (96, 845994), (114, 712416), (123, 660288), (144, 563996), (152, 534312), (164, 495216), (171, 474944), (181, 448704), (192, 422997), (228, 356208), (246, 330144), (288, 281998), (304, 267156), (328, 247608), (342, 237472), (362, 224352), (369, 220096), (456, 178104), (492, 165072), (543, 149568), (576, 140999), (608, 133578), (656, 123804), (684, 118736), (724, 112176), (738, 110048), (779, 104256), (912, 89052), (984, 82536), (1086, 74784), (1216, 66789), (1312, 61902), (1368, 59368), (1448, 56088), (1476, 55024), (1558, 52128), (1629, 49856), (1824, 44526), (1968, 41268), (2172, 37392), (2337, 34752), (2624, 30951), (2736, 29684), (2896, 28044), (2952, 27512), (3116, 26064), (3258, 24928), (3439, 23616), (3648, 22263), (3936, 20634), (4344, 18696), (4674, 17376), (5472, 14842), (5792, 14022), (5904, 13756), (6232, 13032), (6516, 12464), (6878, 11808), (7011, 11584), (7421, 10944), (7872, 10317), (8688, 9348)]