90726615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 201523200

約数和(自身を除く): 110796585

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 31, 35, 45, 57, 63, 93, 95, 105, 133, 135, 155, 163, 171, 189, 217, 279, 285, 315, 399, 465, 489, 513, 589, 651, 665, 815, 837, 855, 945, 1085, 1141, 1197, 1395, 1467, 1767, 1953, 1995, 2445, 2565, 2945, 3097, 3255, 3423, 3591, 4123, 4185, 4401, 5053, 5301, 5705, 5859, 5985, 7335, 8835, 9291, 9765, 10269, 12369, 15159, 15485, 15903, 17115, 17955, 20615, 21679, 22005, 25265, 26505, 27873, 29295, 30807, 35371, 37107, 45477, 46455, 51345, 61845, 65037, 75795, 79515, 83619, 96007, 106113, 108395, 111321, 136431, 139365, 154035, 176855, 185535, 195111, 227385, 288021, 318339, 325185, 418095, 480035, 530565, 556605, 585333, 672049, 682155, 864063, 955017, 975555, 1440105, 1591695, 2016147, 2592189, 2926665, 3360245, 4320315, 4775085, 6048441, 10080735, 12960945, 18145323, 30242205, 90726615]

約数ペア:

[(1, 90726615), (3, 30242205), (5, 18145323), (7, 12960945), (9, 10080735), (15, 6048441), (19, 4775085), (21, 4320315), (27, 3360245), (31, 2926665), (35, 2592189), (45, 2016147), (57, 1591695), (63, 1440105), (93, 975555), (95, 955017), (105, 864063), (133, 682155), (135, 672049), (155, 585333), (163, 556605), (171, 530565), (189, 480035), (217, 418095), (279, 325185), (285, 318339), (315, 288021), (399, 227385), (465, 195111), (489, 185535), (513, 176855), (589, 154035), (651, 139365), (665, 136431), (815, 111321), (837, 108395), (855, 106113), (945, 96007), (1085, 83619), (1141, 79515), (1197, 75795), (1395, 65037), (1467, 61845), (1767, 51345), (1953, 46455), (1995, 45477), (2445, 37107), (2565, 35371), (2945, 30807), (3097, 29295), (3255, 27873), (3423, 26505), (3591, 25265), (4123, 22005), (4185, 21679), (4401, 20615), (5053, 17955), (5301, 17115), (5705, 15903), (5859, 15485), (5985, 15159), (7335, 12369), (8835, 10269), (9291, 9765)]