264465280

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4643}}^1$

素因数の和:4751

約数の個数: 64

約数和(自身を含む): 639478800

約数和(自身を除く): 375013520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2848, 3560, 4643, 5696, 7120, 9286, 11392, 14240, 18572, 23215, 28480, 37144, 46430, 56960, 74288, 92860, 148576, 185720, 297152, 371440, 413227, 594304, 742880, 826454, 1485760, 1652908, 2066135, 2971520, 3305816, 4132270, 6611632, 8264540, 13223264, 16529080, 26446528, 33058160, 52893056, 66116320, 132232640, 264465280]

約数ペア:

[(1, 264465280), (2, 132232640), (4, 66116320), (5, 52893056), (8, 33058160), (10, 26446528), (16, 16529080), (20, 13223264), (32, 8264540), (40, 6611632), (64, 4132270), (80, 3305816), (89, 2971520), (128, 2066135), (160, 1652908), (178, 1485760), (320, 826454), (356, 742880), (445, 594304), (640, 413227), (712, 371440), (890, 297152), (1424, 185720), (1780, 148576), (2848, 92860), (3560, 74288), (4643, 56960), (5696, 46430), (7120, 37144), (9286, 28480), (11392, 23215), (14240, 18572)]