78359220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1901}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 238853160

約数和(自身を除く): 160493940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1901, 2061, 2290, 2748, 3435, 3802, 4122, 4580, 5703, 6870, 7604, 8244, 9505, 10305, 11406, 13740, 17109, 19010, 20610, 22812, 28515, 34218, 38020, 41220, 57030, 68436, 85545, 114060, 171090, 342180, 435329, 870658, 1305987, 1741316, 2176645, 2611974, 3917961, 4353290, 5223948, 6529935, 7835922, 8706580, 13059870, 15671844, 19589805, 26119740, 39179610, 78359220]

約数ペア:

[(1, 78359220), (2, 39179610), (3, 26119740), (4, 19589805), (5, 15671844), (6, 13059870), (9, 8706580), (10, 7835922), (12, 6529935), (15, 5223948), (18, 4353290), (20, 3917961), (30, 2611974), (36, 2176645), (45, 1741316), (60, 1305987), (90, 870658), (180, 435329), (229, 342180), (458, 171090), (687, 114060), (916, 85545), (1145, 68436), (1374, 57030), (1901, 41220), (2061, 38020), (2290, 34218), (2748, 28515), (3435, 22812), (3802, 20610), (4122, 19010), (4580, 17109), (5703, 13740), (6870, 11406), (7604, 10305), (8244, 9505)]