81124128

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 247980096

約数和(自身を除く): 166855968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 37, 46, 48, 69, 72, 74, 92, 96, 111, 138, 144, 148, 184, 207, 222, 276, 288, 296, 331, 333, 368, 414, 444, 552, 592, 662, 666, 736, 828, 851, 888, 993, 1104, 1184, 1324, 1332, 1656, 1702, 1776, 1986, 2208, 2553, 2648, 2664, 2979, 3312, 3404, 3552, 3972, 5106, 5296, 5328, 5958, 6624, 6808, 7613, 7659, 7944, 10212, 10592, 10656, 11916, 12247, 13616, 15226, 15318, 15888, 20424, 22839, 23832, 24494, 27232, 30452, 30636, 31776, 36741, 40848, 45678, 47664, 48988, 60904, 61272, 68517, 73482, 81696, 91356, 95328, 97976, 110223, 121808, 122544, 137034, 146964, 182712, 195952, 220446, 243616, 245088, 274068, 281681, 293928, 365424, 391904, 440892, 548136, 563362, 587856, 730848, 845043, 881784, 1096272, 1126724, 1175712, 1690086, 1763568, 2192544, 2253448, 2535129, 3380172, 3527136, 4506896, 5070258, 6760344, 9013792, 10140516, 13520688, 20281032, 27041376, 40562064, 81124128]

約数ペア:

[(1, 81124128), (2, 40562064), (3, 27041376), (4, 20281032), (6, 13520688), (8, 10140516), (9, 9013792), (12, 6760344), (16, 5070258), (18, 4506896), (23, 3527136), (24, 3380172), (32, 2535129), (36, 2253448), (37, 2192544), (46, 1763568), (48, 1690086), (69, 1175712), (72, 1126724), (74, 1096272), (92, 881784), (96, 845043), (111, 730848), (138, 587856), (144, 563362), (148, 548136), (184, 440892), (207, 391904), (222, 365424), (276, 293928), (288, 281681), (296, 274068), (331, 245088), (333, 243616), (368, 220446), (414, 195952), (444, 182712), (552, 146964), (592, 137034), (662, 122544), (666, 121808), (736, 110223), (828, 97976), (851, 95328), (888, 91356), (993, 81696), (1104, 73482), (1184, 68517), (1324, 61272), (1332, 60904), (1656, 48988), (1702, 47664), (1776, 45678), (1986, 40848), (2208, 36741), (2553, 31776), (2648, 30636), (2664, 30452), (2979, 27232), (3312, 24494), (3404, 23832), (3552, 22839), (3972, 20424), (5106, 15888), (5296, 15318), (5328, 15226), (5958, 13616), (6624, 12247), (6808, 11916), (7613, 10656), (7659, 10592), (7944, 10212)]