1620231730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{18089}}^1$

素因数の和:18175

約数の個数: 48

約数和(自身を含む): 3217776840

約数和(自身を除く): 1597545110

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 1378, 1690, 3445, 6890, 8957, 17914, 18089, 36178, 44785, 89570, 90445, 180890, 235157, 470314, 958717, 1175785, 1917434, 2351570, 3057041, 4793585, 6114082, 9587170, 12463321, 15285205, 24926642, 30570410, 62316605, 124633210, 162023173, 324046346, 810115865, 1620231730]

約数ペア:

[(1, 1620231730), (2, 810115865), (5, 324046346), (10, 162023173), (13, 124633210), (26, 62316605), (53, 30570410), (65, 24926642), (106, 15285205), (130, 12463321), (169, 9587170), (265, 6114082), (338, 4793585), (530, 3057041), (689, 2351570), (845, 1917434), (1378, 1175785), (1690, 958717), (3445, 470314), (6890, 235157), (8957, 180890), (17914, 90445), (18089, 89570), (36178, 44785)]