154948480

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1013}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 372340800

約数和(自身を除く): 217392320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 478, 640, 956, 1013, 1195, 1912, 2026, 2390, 3824, 4052, 4780, 5065, 7648, 8104, 9560, 10130, 15296, 16208, 19120, 20260, 30592, 32416, 38240, 40520, 64832, 76480, 81040, 129664, 152960, 162080, 242107, 324160, 484214, 648320, 968428, 1210535, 1936856, 2421070, 3873712, 4842140, 7747424, 9684280, 15494848, 19368560, 30989696, 38737120, 77474240, 154948480]

約数ペア:

[(1, 154948480), (2, 77474240), (4, 38737120), (5, 30989696), (8, 19368560), (10, 15494848), (16, 9684280), (20, 7747424), (32, 4842140), (40, 3873712), (64, 2421070), (80, 1936856), (128, 1210535), (160, 968428), (239, 648320), (320, 484214), (478, 324160), (640, 242107), (956, 162080), (1013, 152960), (1195, 129664), (1912, 81040), (2026, 76480), (2390, 64832), (3824, 40520), (4052, 38240), (4780, 32416), (5065, 30592), (7648, 20260), (8104, 19120), (9560, 16208), (10130, 15296)]