168865740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2137}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 513633120

約数和(自身を除く): 344767380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2137, 2195, 2634, 3951, 4274, 4390, 5268, 6411, 6585, 7902, 8548, 8780, 10685, 12822, 13170, 15804, 19233, 19755, 21370, 25644, 26340, 32055, 38466, 39510, 42740, 64110, 76932, 79020, 96165, 128220, 192330, 384660, 938143, 1876286, 2814429, 3752572, 4690715, 5628858, 8443287, 9381430, 11257716, 14072145, 16886574, 18762860, 28144290, 33773148, 42216435, 56288580, 84432870, 168865740]

約数ペア:

[(1, 168865740), (2, 84432870), (3, 56288580), (4, 42216435), (5, 33773148), (6, 28144290), (9, 18762860), (10, 16886574), (12, 14072145), (15, 11257716), (18, 9381430), (20, 8443287), (30, 5628858), (36, 4690715), (45, 3752572), (60, 2814429), (90, 1876286), (180, 938143), (439, 384660), (878, 192330), (1317, 128220), (1756, 96165), (2137, 79020), (2195, 76932), (2634, 64110), (3951, 42740), (4274, 39510), (4390, 38466), (5268, 32055), (6411, 26340), (6585, 25644), (7902, 21370), (8548, 19755), (8780, 19233), (10685, 15804), (12822, 13170)]