321740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2897}}^1$

素因数の和:3529

約数の個数: 72

約数和(自身を含む): 977866344

約数和(自身を除く): 656125524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 1234, 1851, 2468, 2897, 3085, 3702, 5553, 5794, 6170, 7404, 8691, 9255, 11106, 11588, 12340, 14485, 17382, 18510, 22212, 26073, 27765, 28970, 34764, 37020, 43455, 52146, 55530, 57940, 86910, 104292, 111060, 130365, 173820, 260730, 521460, 1787449, 3574898, 5362347, 7149796, 8937245, 10724694, 16087041, 17874490, 21449388, 26811735, 32174082, 35748980, 53623470, 64348164, 80435205, 107246940, 160870410, 321740820]

約数ペア:

[(1, 321740820), (2, 160870410), (3, 107246940), (4, 80435205), (5, 64348164), (6, 53623470), (9, 35748980), (10, 32174082), (12, 26811735), (15, 21449388), (18, 17874490), (20, 16087041), (30, 10724694), (36, 8937245), (45, 7149796), (60, 5362347), (90, 3574898), (180, 1787449), (617, 521460), (1234, 260730), (1851, 173820), (2468, 130365), (2897, 111060), (3085, 104292), (3702, 86910), (5553, 57940), (5794, 55530), (6170, 52146), (7404, 43455), (8691, 37020), (9255, 34764), (11106, 28970), (11588, 27765), (12340, 26073), (14485, 22212), (17382, 18510)]