207504540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21751}}^1$

素因数の和:21819

約数の個数: 72

約数和(自身を含む): 641335968

約数和(自身を除く): 433831428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21751, 43502, 65253, 87004, 108755, 130506, 195759, 217510, 261012, 326265, 391518, 435020, 652530, 783036, 978795, 1152803, 1305060, 1957590, 2305606, 3458409, 3915180, 4611212, 5764015, 6916818, 10375227, 11528030, 13833636, 17292045, 20750454, 23056060, 34584090, 41500908, 51876135, 69168180, 103752270, 207504540]

約数ペア:

[(1, 207504540), (2, 103752270), (3, 69168180), (4, 51876135), (5, 41500908), (6, 34584090), (9, 23056060), (10, 20750454), (12, 17292045), (15, 13833636), (18, 11528030), (20, 10375227), (30, 6916818), (36, 5764015), (45, 4611212), (53, 3915180), (60, 3458409), (90, 2305606), (106, 1957590), (159, 1305060), (180, 1152803), (212, 978795), (265, 783036), (318, 652530), (477, 435020), (530, 391518), (636, 326265), (795, 261012), (954, 217510), (1060, 195759), (1590, 130506), (1908, 108755), (2385, 87004), (3180, 65253), (4770, 43502), (9540, 21751)]