81542090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 176670720

約数和(自身を除く): 95128630

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 106, 155, 217, 265, 310, 371, 434, 530, 709, 742, 1085, 1418, 1643, 1855, 2170, 3286, 3545, 3710, 4963, 7090, 8215, 9926, 11501, 16430, 21979, 23002, 24815, 37577, 43958, 49630, 57505, 75154, 109895, 115010, 153853, 187885, 219790, 263039, 307706, 375770, 526078, 769265, 1164887, 1315195, 1538530, 2329774, 2630390, 5824435, 8154209, 11648870, 16308418, 40771045, 81542090]

約数ペア:

[(1, 81542090), (2, 40771045), (5, 16308418), (7, 11648870), (10, 8154209), (14, 5824435), (31, 2630390), (35, 2329774), (53, 1538530), (62, 1315195), (70, 1164887), (106, 769265), (155, 526078), (217, 375770), (265, 307706), (310, 263039), (371, 219790), (434, 187885), (530, 153853), (709, 115010), (742, 109895), (1085, 75154), (1418, 57505), (1643, 49630), (1855, 43958), (2170, 37577), (3286, 24815), (3545, 23002), (3710, 21979), (4963, 16430), (7090, 11501), (8215, 9926)]