81855072

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21892

約数の個数: 72

約数和(自身を含む): 250692624

約数和(自身を除く): 168837552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21863, 43726, 65589, 87452, 131178, 174904, 196767, 262356, 284219, 349808, 393534, 524712, 568438, 699616, 787068, 852657, 1049424, 1136876, 1574136, 1705314, 2098848, 2273752, 2557971, 3148272, 3410628, 4547504, 5115942, 6296544, 6821256, 9095008, 10231884, 13642512, 20463768, 27285024, 40927536, 81855072]

約数ペア:

[(1, 81855072), (2, 40927536), (3, 27285024), (4, 20463768), (6, 13642512), (8, 10231884), (9, 9095008), (12, 6821256), (13, 6296544), (16, 5115942), (18, 4547504), (24, 3410628), (26, 3148272), (32, 2557971), (36, 2273752), (39, 2098848), (48, 1705314), (52, 1574136), (72, 1136876), (78, 1049424), (96, 852657), (104, 787068), (117, 699616), (144, 568438), (156, 524712), (208, 393534), (234, 349808), (288, 284219), (312, 262356), (416, 196767), (468, 174904), (624, 131178), (936, 87452), (1248, 65589), (1872, 43726), (3744, 21863)]