81789984

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14947}}^1$

素因数の和:14982

約数の個数: 72

約数和(自身を含む): 244848240

約数和(自身を除く): 163058256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 14947, 29894, 44841, 59788, 89682, 119576, 134523, 179364, 239152, 269046, 283993, 358728, 478304, 538092, 567986, 717456, 851979, 1076184, 1135972, 1434912, 1703958, 2152368, 2271944, 2555937, 3407916, 4304736, 4543888, 5111874, 6815832, 9087776, 10223748, 13631664, 20447496, 27263328, 40894992, 81789984]

約数ペア:

[(1, 81789984), (2, 40894992), (3, 27263328), (4, 20447496), (6, 13631664), (8, 10223748), (9, 9087776), (12, 6815832), (16, 5111874), (18, 4543888), (19, 4304736), (24, 3407916), (32, 2555937), (36, 2271944), (38, 2152368), (48, 1703958), (57, 1434912), (72, 1135972), (76, 1076184), (96, 851979), (114, 717456), (144, 567986), (152, 538092), (171, 478304), (228, 358728), (288, 283993), (304, 269046), (342, 239152), (456, 179364), (608, 134523), (684, 119576), (912, 89682), (1368, 59788), (1824, 44841), (2736, 29894), (5472, 14947)]