263821040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20483}}^1$

素因数の和:20526

約数の個数: 80

約数和(自身を含む): 731524608

約数和(自身を除く): 467703568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 20483, 40966, 81932, 102415, 143381, 163864, 204830, 286762, 327728, 409660, 471109, 573524, 716905, 819320, 942218, 1147048, 1433810, 1638640, 1884436, 2294096, 2355545, 2867620, 3297763, 3768872, 4711090, 5735240, 6595526, 7537744, 9422180, 11470480, 13191052, 16488815, 18844360, 26382104, 32977630, 37688720, 52764208, 65955260, 131910520, 263821040]

約数ペア:

[(1, 263821040), (2, 131910520), (4, 65955260), (5, 52764208), (7, 37688720), (8, 32977630), (10, 26382104), (14, 18844360), (16, 16488815), (20, 13191052), (23, 11470480), (28, 9422180), (35, 7537744), (40, 6595526), (46, 5735240), (56, 4711090), (70, 3768872), (80, 3297763), (92, 2867620), (112, 2355545), (115, 2294096), (140, 1884436), (161, 1638640), (184, 1433810), (230, 1147048), (280, 942218), (322, 819320), (368, 716905), (460, 573524), (560, 471109), (644, 409660), (805, 327728), (920, 286762), (1288, 204830), (1610, 163864), (1840, 143381), (2576, 102415), (3220, 81932), (6440, 40966), (12880, 20483)]