161040780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12601}}^1$

素因数の和:12687

約数の個数: 72

約数和(自身を含む): 495409824

約数和(自身を除く): 334369044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12601, 12780, 25202, 37803, 50404, 63005, 75606, 113409, 126010, 151212, 189015, 226818, 252020, 378030, 453636, 567045, 756060, 894671, 1134090, 1789342, 2268180, 2684013, 3578684, 4473355, 5368026, 8052039, 8946710, 10736052, 13420065, 16104078, 17893420, 26840130, 32208156, 40260195, 53680260, 80520390, 161040780]

約数ペア:

[(1, 161040780), (2, 80520390), (3, 53680260), (4, 40260195), (5, 32208156), (6, 26840130), (9, 17893420), (10, 16104078), (12, 13420065), (15, 10736052), (18, 8946710), (20, 8052039), (30, 5368026), (36, 4473355), (45, 3578684), (60, 2684013), (71, 2268180), (90, 1789342), (142, 1134090), (180, 894671), (213, 756060), (284, 567045), (355, 453636), (426, 378030), (639, 252020), (710, 226818), (852, 189015), (1065, 151212), (1278, 126010), (1420, 113409), (2130, 75606), (2556, 63005), (3195, 50404), (4260, 37803), (6390, 25202), (12601, 12780)]