161792720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65239}}^1$

素因数の和:65283

約数の個数: 40

約数和(自身を含む): 388308480

約数和(自身を除く): 226515760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 65239, 130478, 260956, 326195, 521912, 652390, 1043824, 1304780, 2022409, 2609560, 4044818, 5219120, 8089636, 10112045, 16179272, 20224090, 32358544, 40448180, 80896360, 161792720]

約数ペア:

[(1, 161792720), (2, 80896360), (4, 40448180), (5, 32358544), (8, 20224090), (10, 16179272), (16, 10112045), (20, 8089636), (31, 5219120), (40, 4044818), (62, 2609560), (80, 2022409), (124, 1304780), (155, 1043824), (248, 652390), (310, 521912), (496, 326195), (620, 260956), (1240, 130478), (2480, 65239)]