65215640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2724

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 104430760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2617, 3115, 3560, 4984, 5234, 6230, 10468, 12460, 13085, 18319, 20936, 24920, 26170, 36638, 52340, 73276, 91595, 104680, 146552, 183190, 232913, 366380, 465826, 732760, 931652, 1164565, 1630391, 1863304, 2329130, 3260782, 4658260, 6521564, 8151955, 9316520, 13043128, 16303910, 32607820, 65215640]

約数ペア:

[(1, 65215640), (2, 32607820), (4, 16303910), (5, 13043128), (7, 9316520), (8, 8151955), (10, 6521564), (14, 4658260), (20, 3260782), (28, 2329130), (35, 1863304), (40, 1630391), (56, 1164565), (70, 931652), (89, 732760), (140, 465826), (178, 366380), (280, 232913), (356, 183190), (445, 146552), (623, 104680), (712, 91595), (890, 73276), (1246, 52340), (1780, 36638), (2492, 26170), (2617, 24920), (3115, 20936), (3560, 18319), (4984, 13085), (5234, 12460), (6230, 10468)]