78145575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 147609600

約数和(自身を除く): 69464025

約数列:

[1, 3, 5, 15, 19, 25, 29, 31, 57, 61, 75, 87, 93, 95, 145, 155, 183, 285, 305, 435, 465, 475, 551, 589, 725, 775, 899, 915, 1159, 1425, 1525, 1653, 1767, 1769, 1891, 2175, 2325, 2697, 2755, 2945, 3477, 4495, 4575, 5307, 5673, 5795, 8265, 8835, 8845, 9455, 13485, 13775, 14725, 17081, 17385, 22475, 26535, 28365, 28975, 33611, 35929, 41325, 44175, 44225, 47275, 51243, 54839, 67425, 85405, 86925, 100833, 107787, 132675, 141825, 164517, 168055, 179645, 256215, 274195, 427025, 504165, 538935, 822585, 840275, 898225, 1041941, 1281075, 1370975, 2520825, 2694675, 3125823, 4112925, 5209705, 15629115, 26048525, 78145575]

約数ペア:

[(1, 78145575), (3, 26048525), (5, 15629115), (15, 5209705), (19, 4112925), (25, 3125823), (29, 2694675), (31, 2520825), (57, 1370975), (61, 1281075), (75, 1041941), (87, 898225), (93, 840275), (95, 822585), (145, 538935), (155, 504165), (183, 427025), (285, 274195), (305, 256215), (435, 179645), (465, 168055), (475, 164517), (551, 141825), (589, 132675), (725, 107787), (775, 100833), (899, 86925), (915, 85405), (1159, 67425), (1425, 54839), (1525, 51243), (1653, 47275), (1767, 44225), (1769, 44175), (1891, 41325), (2175, 35929), (2325, 33611), (2697, 28975), (2755, 28365), (2945, 26535), (3477, 22475), (4495, 17385), (4575, 17081), (5307, 14725), (5673, 13775), (5795, 13485), (8265, 9455), (8835, 8845)]