78410925

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 148416840

約数和(自身を除く): 70005915

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 61, 75, 87, 145, 183, 197, 225, 261, 305, 435, 549, 591, 725, 915, 985, 1305, 1525, 1769, 1773, 2175, 2745, 2955, 4575, 4925, 5307, 5713, 6525, 8845, 8865, 12017, 13725, 14775, 15921, 17139, 26535, 28565, 36051, 44225, 44325, 51417, 60085, 79605, 85695, 108153, 132675, 142825, 180255, 257085, 300425, 348493, 398025, 428475, 540765, 901275, 1045479, 1285425, 1742465, 2703825, 3136437, 5227395, 8712325, 15682185, 26136975, 78410925]

約数ペア:

[(1, 78410925), (3, 26136975), (5, 15682185), (9, 8712325), (15, 5227395), (25, 3136437), (29, 2703825), (45, 1742465), (61, 1285425), (75, 1045479), (87, 901275), (145, 540765), (183, 428475), (197, 398025), (225, 348493), (261, 300425), (305, 257085), (435, 180255), (549, 142825), (591, 132675), (725, 108153), (915, 85695), (985, 79605), (1305, 60085), (1525, 51417), (1769, 44325), (1773, 44225), (2175, 36051), (2745, 28565), (2955, 26535), (4575, 17139), (4925, 15921), (5307, 14775), (5713, 13725), (6525, 12017), (8845, 8865)]