81254664

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3444

約数の個数: 80

約数和(自身を含む): 233808300

約数和(自身を除く): 152553636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 888, 999, 1332, 1998, 2664, 2997, 3389, 3996, 5994, 6778, 7992, 10167, 11988, 13556, 20334, 23976, 27112, 30501, 40668, 61002, 81336, 91503, 122004, 125393, 183006, 244008, 250786, 274509, 366012, 376179, 501572, 549018, 732024, 752358, 1003144, 1098036, 1128537, 1504716, 2196072, 2257074, 3009432, 3385611, 4514148, 6771222, 9028296, 10156833, 13542444, 20313666, 27084888, 40627332, 81254664]

約数ペア:

[(1, 81254664), (2, 40627332), (3, 27084888), (4, 20313666), (6, 13542444), (8, 10156833), (9, 9028296), (12, 6771222), (18, 4514148), (24, 3385611), (27, 3009432), (36, 2257074), (37, 2196072), (54, 1504716), (72, 1128537), (74, 1098036), (81, 1003144), (108, 752358), (111, 732024), (148, 549018), (162, 501572), (216, 376179), (222, 366012), (296, 274509), (324, 250786), (333, 244008), (444, 183006), (648, 125393), (666, 122004), (888, 91503), (999, 81336), (1332, 61002), (1998, 40668), (2664, 30501), (2997, 27112), (3389, 23976), (3996, 20334), (5994, 13556), (6778, 11988), (7992, 10167)]