128407140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237791}}^1$

素因数の和:237809

約数の個数: 48

約数和(自身を含む): 399490560

約数和(自身を除く): 271083420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237791, 475582, 713373, 951164, 1188955, 1426746, 2140119, 2377910, 2853492, 3566865, 4280238, 4755820, 6420357, 7133730, 8560476, 10700595, 12840714, 14267460, 21401190, 25681428, 32101785, 42802380, 64203570, 128407140]

約数ペア:

[(1, 128407140), (2, 64203570), (3, 42802380), (4, 32101785), (5, 25681428), (6, 21401190), (9, 14267460), (10, 12840714), (12, 10700595), (15, 8560476), (18, 7133730), (20, 6420357), (27, 4755820), (30, 4280238), (36, 3566865), (45, 2853492), (54, 2377910), (60, 2140119), (90, 1426746), (108, 1188955), (135, 951164), (180, 713373), (270, 475582), (540, 237791)]