15539140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 18458684

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 271, 305, 470, 542, 610, 940, 1084, 1220, 1355, 2710, 2867, 5420, 5734, 11468, 12737, 14335, 16531, 25474, 28670, 33062, 50948, 57340, 63685, 66124, 82655, 127370, 165310, 254740, 330620, 776957, 1553914, 3107828, 3884785, 7769570, 15539140]

約数ペア:

[(1, 15539140), (2, 7769570), (4, 3884785), (5, 3107828), (10, 1553914), (20, 776957), (47, 330620), (61, 254740), (94, 165310), (122, 127370), (188, 82655), (235, 66124), (244, 63685), (271, 57340), (305, 50948), (470, 33062), (542, 28670), (610, 25474), (940, 16531), (1084, 14335), (1220, 12737), (1355, 11468), (2710, 5734), (2867, 5420)]