161542240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32569}}^1$

素因数の和:32615

約数の個数: 48

約数和(自身を含む): 393966720

約数和(自身を除く): 232424480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 32569, 65138, 130276, 162845, 260552, 325690, 521104, 651380, 1009639, 1042208, 1302760, 2019278, 2605520, 4038556, 5048195, 5211040, 8077112, 10096390, 16154224, 20192780, 32308448, 40385560, 80771120, 161542240]

約数ペア:

[(1, 161542240), (2, 80771120), (4, 40385560), (5, 32308448), (8, 20192780), (10, 16154224), (16, 10096390), (20, 8077112), (31, 5211040), (32, 5048195), (40, 4038556), (62, 2605520), (80, 2019278), (124, 1302760), (155, 1042208), (160, 1009639), (248, 651380), (310, 521104), (496, 325690), (620, 260552), (992, 162845), (1240, 130276), (2480, 65138), (4960, 32569)]