158485640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5622

約数の個数: 64

約数和(自身を含む): 384168960

約数和(自身を除く): 225683320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5557, 5704, 7130, 11114, 14260, 22228, 27785, 28520, 44456, 55570, 111140, 127811, 172267, 222280, 255622, 344534, 511244, 639055, 689068, 861335, 1022488, 1278110, 1378136, 1722670, 2556220, 3445340, 3962141, 5112440, 6890680, 7924282, 15848564, 19810705, 31697128, 39621410, 79242820, 158485640]

約数ペア:

[(1, 158485640), (2, 79242820), (4, 39621410), (5, 31697128), (8, 19810705), (10, 15848564), (20, 7924282), (23, 6890680), (31, 5112440), (40, 3962141), (46, 3445340), (62, 2556220), (92, 1722670), (115, 1378136), (124, 1278110), (155, 1022488), (184, 861335), (230, 689068), (248, 639055), (310, 511244), (460, 344534), (620, 255622), (713, 222280), (920, 172267), (1240, 127811), (1426, 111140), (2852, 55570), (3565, 44456), (5557, 28520), (5704, 27785), (7130, 22228), (11114, 14260)]