56365020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16481}}^1$

素因数の和:16515

約数の個数: 72

約数和(自身を含む): 179983440

約数和(自身を除く): 123618420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 16481, 32962, 49443, 65924, 82405, 98886, 148329, 164810, 197772, 247215, 296658, 313139, 329620, 494430, 593316, 626278, 741645, 939417, 988860, 1252556, 1483290, 1565695, 1878834, 2818251, 2966580, 3131390, 3757668, 4697085, 5636502, 6262780, 9394170, 11273004, 14091255, 18788340, 28182510, 56365020]

約数ペア:

[(1, 56365020), (2, 28182510), (3, 18788340), (4, 14091255), (5, 11273004), (6, 9394170), (9, 6262780), (10, 5636502), (12, 4697085), (15, 3757668), (18, 3131390), (19, 2966580), (20, 2818251), (30, 1878834), (36, 1565695), (38, 1483290), (45, 1252556), (57, 988860), (60, 939417), (76, 741645), (90, 626278), (95, 593316), (114, 494430), (171, 329620), (180, 313139), (190, 296658), (228, 247215), (285, 197772), (342, 164810), (380, 148329), (570, 98886), (684, 82405), (855, 65924), (1140, 49443), (1710, 32962), (3420, 16481)]