78471060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^2\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 223604640

約数和(自身を除く): 145133580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 139, 194, 278, 291, 388, 417, 485, 556, 582, 695, 834, 970, 1164, 1390, 1455, 1668, 1940, 2085, 2780, 2910, 4170, 5820, 8340, 9409, 13483, 18818, 26966, 28227, 37636, 40449, 47045, 53932, 56454, 67415, 80898, 94090, 112908, 134830, 141135, 161796, 188180, 202245, 269660, 282270, 404490, 564540, 808980, 1307851, 2615702, 3923553, 5231404, 6539255, 7847106, 13078510, 15694212, 19617765, 26157020, 39235530, 78471060]

約数ペア:

[(1, 78471060), (2, 39235530), (3, 26157020), (4, 19617765), (5, 15694212), (6, 13078510), (10, 7847106), (12, 6539255), (15, 5231404), (20, 3923553), (30, 2615702), (60, 1307851), (97, 808980), (139, 564540), (194, 404490), (278, 282270), (291, 269660), (388, 202245), (417, 188180), (485, 161796), (556, 141135), (582, 134830), (695, 112908), (834, 94090), (970, 80898), (1164, 67415), (1390, 56454), (1455, 53932), (1668, 47045), (1940, 40449), (2085, 37636), (2780, 28227), (2910, 26966), (4170, 18818), (5820, 13483), (8340, 9409)]