155054720

素因数分解:

$2^7\times 5^1\times {\mathrm{242273}}^1$

素因数の和:242292

約数の個数: 32

約数和(自身を含む): 370679220

約数和(自身を除く): 215624500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 242273, 484546, 969092, 1211365, 1938184, 2422730, 3876368, 4845460, 7752736, 9690920, 15505472, 19381840, 31010944, 38763680, 77527360, 155054720]

約数ペア:

[(1, 155054720), (2, 77527360), (4, 38763680), (5, 31010944), (8, 19381840), (10, 15505472), (16, 9690920), (20, 7752736), (32, 4845460), (40, 3876368), (64, 2422730), (80, 1938184), (128, 1211365), (160, 969092), (320, 484546), (640, 242273)]