165318390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20639}}^1$

素因数の和:20741

約数の個数: 48

約数和(自身を含む): 434678400

約数和(自身を除く): 269360010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 20639, 41278, 61917, 103195, 123834, 185751, 206390, 309585, 371502, 619170, 928755, 1836871, 1857510, 3673742, 5510613, 9184355, 11021226, 16531839, 18368710, 27553065, 33063678, 55106130, 82659195, 165318390]

約数ペア:

[(1, 165318390), (2, 82659195), (3, 55106130), (5, 33063678), (6, 27553065), (9, 18368710), (10, 16531839), (15, 11021226), (18, 9184355), (30, 5510613), (45, 3673742), (89, 1857510), (90, 1836871), (178, 928755), (267, 619170), (445, 371502), (534, 309585), (801, 206390), (890, 185751), (1335, 123834), (1602, 103195), (2670, 61917), (4005, 41278), (8010, 20639)]