61082420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 150544296

約数和(自身を除く): 89461876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 397, 490, 628, 785, 794, 980, 1099, 1570, 1588, 1985, 2198, 2779, 3140, 3970, 4396, 5495, 5558, 7693, 7940, 10990, 11116, 13895, 15386, 19453, 21980, 27790, 30772, 38465, 38906, 55580, 62329, 76930, 77812, 97265, 124658, 153860, 194530, 249316, 311645, 389060, 436303, 623290, 872606, 1246580, 1745212, 2181515, 3054121, 4363030, 6108242, 8726060, 12216484, 15270605, 30541210, 61082420]

約数ペア:

[(1, 61082420), (2, 30541210), (4, 15270605), (5, 12216484), (7, 8726060), (10, 6108242), (14, 4363030), (20, 3054121), (28, 2181515), (35, 1745212), (49, 1246580), (70, 872606), (98, 623290), (140, 436303), (157, 389060), (196, 311645), (245, 249316), (314, 194530), (397, 153860), (490, 124658), (628, 97265), (785, 77812), (794, 76930), (980, 62329), (1099, 55580), (1570, 38906), (1588, 38465), (1985, 30772), (2198, 27790), (2779, 21980), (3140, 19453), (3970, 15386), (4396, 13895), (5495, 11116), (5558, 10990), (7693, 7940)]