87680790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15971}}^1$

素因数の和:16045

約数の個数: 48

約数和(自身を含む): 231721776

約数和(自身を除く): 144040986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 15971, 31942, 47913, 79855, 95826, 143739, 159710, 239565, 287478, 479130, 718695, 974231, 1437390, 1948462, 2922693, 4871155, 5845386, 8768079, 9742310, 14613465, 17536158, 29226930, 43840395, 87680790]

約数ペア:

[(1, 87680790), (2, 43840395), (3, 29226930), (5, 17536158), (6, 14613465), (9, 9742310), (10, 8768079), (15, 5845386), (18, 4871155), (30, 2922693), (45, 1948462), (61, 1437390), (90, 974231), (122, 718695), (183, 479130), (305, 287478), (366, 239565), (549, 159710), (610, 143739), (915, 95826), (1098, 79855), (1830, 47913), (2745, 31942), (5490, 15971)]